For most remodels, I’d start with the American Standard Evolution 60-Inch Deep Soaking Tub, which pairs a familiar 60-inch footprint with a deeper-soaking design. The PROFLO Lansford 60 x 36-Inch is a flexible alternative for shoppers who want a broader basin, while the Kohler Archer 60 x 30-Inch suits a tighter alcove-sized deck. The main tradeoff is between fitting the existing space and gaining more room to soak: wider and longer tubs need more deck area, support and water capacity. Drain position, overflow details and the finished surround also affect whether a tub fits your renovation. Read on for the full comparison and recommendations by bathroom size and buyer needs.
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Key Takeaways
- The American Standard Evolution is the strongest all-around starting point for a standard 60-inch layout, while its deeper-soaking focus may not suit buyers prioritizing a shallow, easy-entry tub.
- Lansford’s range of sizes is the lineup’s clearest advantage: its 58 x 38, 60 x 36, 60 x 42 and 72 x 42 options let shoppers compare soaking room against available deck space.
- The 72-inch tubs are not automatic upgrades. Swiss Madison Voltaire, PROFLO Lansford, Kohler Archer and Kohler Mariposa models need a larger footprint and a plan for extra water and structural support.
- Drain flexibility varies by model. Several listings specify reversible drains, but the 60 x 32 acrylic option specifies a left drain, so existing plumbing can rule out a tub before style or capacity matters.
- Brand and size alone do not settle the choice: compare the basin dimensions, overflow configuration, rim and installation instructions, since exterior measurements do not tell you how much usable soaking room you get.
| drop in bathtub | Material | Model | Dimensions | Capacity |
|---|---|---|---|---|
| American Standard Evolution 60 | Fiberglass-reinforced acrylic | 2422V002.020 | 60 x 32 x 21.5 inches | 74 gallons |
| PROFLO Lansford 60 x 42-Inch D | Acrylic with reinforced composites | PFS6042AWH | 42 x 42 x 19.5 inches (as supplied) | 60 gallons |
| Swiss Madison Voltaire 72 x 36 | Fiberglass-reinforced acrylic | SM-DB567 | 72 x 36 x 19 inches | 60 gallons |
| PROFLO Lansford 72 x 42-Inch D | Acrylic | PFS7242AWH | 72 x 42 x 19.5 inches | 80 gallons |
| Kohler Archer 60 × 30 in. Drop | ExoCrylic | 1946-0 | 60 x 30 x 19 inches | 60 gallons |
| 60 x 32 in. Acrylic Drop-In Ba | Reinforced acrylic | — | 60 x 32 in. | — |
| Kohler Underscore 66 x 32-Inch | Acrylic | 1821-0 | 66 x 32 x 66 in. (as listed) | 76 gallons |
| PROFLO Lansford 58 x 38-Inch D | Acrylic with reinforced composites | PFS5838WH | 58 x 19 x 20.5 in. | 50 gallons |
| PROFLO Lansford 60 x 36-Inch D | Acrylic | PFS6036NWH | — | 52 gallons |
| Kohler Avec 60 x 32 in. Drop-I | Acrylic | 25831-0 | 60 x 32 x 18.13 in. | — |
| Kohler Archer 72 x 36-Inch Dro | Acrylic | 1125-0 | 72 x 36 x 20 inches | — |
| Swiss Madison Voltaire 60 x 30 | Fiberglass-reinforced acrylic | SM-DB569 | 60 x 30 x 22 inches | 60 gallons |
| Kohler K-1259-0 Mariposa 6-Foo | Acrylic | K-1259-0 | 72 x 42 x 18 inches | 76 gallons |
More Details on Our Top Picks
American Standard Evolution 60-Inch Deep Soaking Tub with Reversible Drain, White
I’d put the American Standard Evolution first for buyers who want a more accommodating soak without moving up to a longer tub. Its 74-gallon capacity exceeds the 60 gallons listed for the Kohler Archer, while the molded backrest and dual armrests add support that the Archer’s feature set does not list. The pre-leveled bottom may also simplify setup, though the installer still needs to prepare the surround and confirm the fit. This model suits either drop-in or alcove layouts, giving it more installation flexibility than the drop-in-only Swiss Madison Voltaire. The tradeoff is that the Deep Soak Max drain is separate, and the optional apron is not included. I’d choose it for a comfort-focused standard-size bathroom, not a project that needs a complete tub package.
Pros:- 74-gallon capacity offers more listed volume than the Kohler Archer’s 60 gallons
- Molded backrest and dual armrests support a more relaxed bathing position
- Pre-leveled bottom can simplify installation preparation
- Drop-in or alcove installation offers layout flexibility
Cons:- Deep Soak Max drain must be ordered separately
- Optional alcove apron is not included
- At 32 inches wide, it may not fit narrower tub openings
Best for: Homeowners fitting a 60-inch tub who want armrests, back support, and more listed capacity than a standard soaking option.
Not ideal for: Buyers seeking a ready-to-install package with a deep-soak drain or apron included, or anyone whose space cannot accommodate the 32-inch width.
- Model:2422V002.020
- Dimensions:60 x 32 x 21.5 inches
- Capacity:74 gallons
- Material:Fiberglass-reinforced acrylic
- Installation:Drop-in or alcove
- Drain:Reversible; Deep Soak Max drain sold separately
- Weight:73.1 pounds
- Warranty:Limited lifetime
Our verdict“Choose the Evolution for a comfort-oriented 60-inch installation with above-standard listed capacity, provided you budget for the separate drain and apron if needed.”
PROFLO Lansford 60 x 42-Inch Drop-In Acrylic Soaking Tub with Reversible Drain and Overflow, White
The PROFLO Lansford 60 x 42 is the lineup’s width-focused choice: its broad footprint gives a drop-in surround more presence than the 30-inch-wide Kohler Archer, but that extra room demands a generously sized bathroom and deck. Its 60-gallon capacity is more modest than the American Standard Evolution’s 74 gallons, so I’d prioritize the Lansford for its footprint and installation flexibility rather than maximum soak volume. It can also work in a three-wall alcove, unlike the drop-in-only Swiss Madison Voltaire, though the alcove apron is an extra purchase. Reinforced-composite acrylic is intended to combine an easy-care surface with added support. The five-year warranty is shorter than the Evolution’s limited lifetime coverage, making this a practical layout-led pick rather than my long-horizon warranty choice.
Pros:- Wide 42-inch footprint creates room for a spacious drop-in deck
- Reversible drain accommodates more plumbing layouts
- Drop-in or three-wall alcove installation provides flexibility
- Acrylic with reinforced composites is designed for durable, easy-care use
Cons:- The 42-inch width can be difficult to fit in a standard bathroom
- 60-gallon capacity is below the American Standard Evolution’s 74 gallons
- Alcove apron is sold separately, and warranty coverage is five years
Best for: Renovators designing a wide tub deck who need reversible drain placement and the option to use a three-wall alcove.
Not ideal for: Small bathrooms or buyers prioritizing deeper water capacity, since its 42-inch width takes substantial floor and surround space and capacity is 60 gallons.
- Model:PFS6042AWH
- Dimensions:42 x 42 x 19.5 inches (as supplied)
- Capacity:60 gallons
- Material:Acrylic with reinforced composites
- Installation:Drop-in or three-wall alcove
- Drain:Reversible
- Weight:90 pounds
- Warranty:5 years
Our verdict“Pick this Lansford when a broad tub footprint and flexible drain position matter more than high water capacity or a longer warranty.”
Swiss Madison Voltaire 72 x 36-Inch Drop-In Bathtub
The Swiss Madison Voltaire gives buyers a 72-inch tub without the 42-inch width of the large PROFLO Lansford, making it a better fit for projects with length to spare but a more restrained deck. Its 15.5-inch soaking depth and 60-gallon capacity describe a moderate soak rather than the larger-volume experience of the 80-gallon PROFLO Lansford 72 x 42. A reversible drain adds flexibility when planning the plumbing, while the polished high-gloss finish is described as easy to clean and resistant to chipping and cracking. This is a straightforward drop-in option, not a flexible alcove choice like the American Standard Evolution. I’d factor in the short one-year limited warranty and the need to buy both faucet and drain separately; the clean installation plan depends on sourcing those parts independently.
Pros:- 72-inch length suits a long drop-in surround without a 42-inch-wide footprint
- Reversible drain supports more plumbing arrangements
- High-gloss surface is described as easy to clean and resistant to chipping and cracking
- 15.5-inch soaking depth is specified for comparing bathing depth
Cons:- Faucet and drain are not included
- One-year limited warranty is shorter than the PROFLO Lansford’s five-year coverage
- Drop-in installation only, with no stated alcove option
Best for: Homeowners with a long, relatively narrow tub deck who want a reversible-drain drop-in tub and are comfortable sourcing fixtures separately.
Not ideal for: Buyers who need alcove installation, included faucet or drain components, or a longer warranty than one year.
- Model:SM-DB567
- Dimensions:72 x 36 x 19 inches
- Capacity:60 gallons
- Soaking depth:15.5 inches
- Material:Fiberglass-reinforced acrylic
- Installation:Drop-in
- Drain:Reversible; drain not included
- Warranty:1-year limited
Our verdict“Choose the Voltaire for a long, 36-inch-wide drop-in layout if you accept separate fixture purchases and limited warranty coverage.”
PROFLO Lansford 72 x 42-Inch Drop-In Acrylic Soaking Bathtub with Reversible Drain and Overflow, White
For a buyer with room for a substantial surround, the 72 x 42-inch PROFLO Lansford offers the highest listed capacity in this group at 80 gallons. That sets it apart from the 60-gallon Swiss Madison Voltaire, which is also 72 inches long but six inches narrower. The Lansford is the clearer choice for a larger bathing volume; the Voltaire makes more sense where deck width is limited. Acrylic is described as easy to clean and helpful for maintaining water temperature, and the reversible drain gives the installer some plumbing flexibility. Still, this is a drop-in-only design, so it needs a suitable surround and a room that can take its broad footprint. Product details list no added accessories, and the five-year residential warranty is shorter than the American Standard Evolution’s limited lifetime coverage.
Pros:- 80-gallon capacity is higher than the other listed tubs in this batch
- 72-inch length provides a generous bathing area
- Reversible drain helps accommodate different plumbing positions
- Acrylic surface is easy to clean and described as helping retain water temperature
Cons:- 42-inch width calls for a large bathroom and substantial surround
- Drop-in-only installation requires a suitable deck or surround
- No additional accessories are listed, and residential warranty coverage is five years
Best for: Homeowners with a spacious bathroom and custom drop-in deck who want the largest stated capacity among these five tubs.
Not ideal for: Small bathrooms, alcove-only renovations, or buyers who want a tub with accessories supplied or a limited-lifetime warranty.
- Model:PFS7242AWH
- Dimensions:72 x 42 x 19.5 inches
- Capacity:80 gallons
- Material:Acrylic
- Installation:Drop-in
- Drain:Reversible
- Weight:90 pounds
- Warranty:5 years residential; 1 year commercial
Our verdict“Choose this Lansford when bathing capacity is the priority and your room can accommodate a 72-by-42-inch drop-in footprint.”
Kohler Archer 60 × 30 in. Drop-In Bathtub, White
The Kohler Archer is the most compact choice here at 60 x 30 inches, and its listed 50-pound weight is far below the 90-pound PROFLO Lansford models. That can make handling and placement easier during installation, though it does not remove the need for a properly built drop-in surround. Its 19-inch step-over height, molded lumbar support, and textured bottom focus on access and bathing comfort rather than the larger capacity of the American Standard Evolution. The slotted overflow supports deeper soaking, but the stated 60-gallon capacity remains below the Evolution’s 74 gallons and the wide Lansford’s 80. I’d favor the Archer when a tighter footprint and lighter tub matter more than maximum water volume. Its one-year limited warranty is a clear compromise against longer-covered options in this group.
Pros:- Compact 60 x 30-inch footprint suits tighter bathroom layouts
- 50-pound listed weight is lighter than the 90-pound PROFLO Lansford models
- 19-inch step-over height and molded lumbar support aid access and comfort
- Slotted overflow supports deeper soaking
Cons:- 60-gallon capacity is lower than the American Standard Evolution’s 74 gallons
- Drop-in installation requires a suitable surround
- One-year limited warranty is shorter than several alternatives in this group
Best for: Renovators with a standard 60-by-30-inch opening who want a lighter tub with lumbar support and a lower step-over height.
Not ideal for: Buyers seeking the largest soaking capacity, alcove installation, or longer warranty coverage than one year.
- Model:1946-0
- Dimensions:60 x 30 x 19 inches
- Capacity:60 gallons
- Material:ExoCrylic
- Installation:Drop-in
- Weight:50 pounds
- Color:White
- Warranty:One-year limited
Our verdict“Pick the Archer for a lighter, compact drop-in tub with lumbar support, but choose the Evolution or large Lansford if capacity comes first.”
60 x 32 in. Acrylic Drop-In Bathtub with Left Drain
This tub makes sense for buyers who want a straightforward 60-by-32-inch drop-in with key drain components included. Its ergonomic shape and back support suit soaking, while the reinforced acrylic is described as helping retain heat and resist everyday surface wear. The non-slip base, integral flange, and storage ledge add practical touches that the Kohler Underscore does not list in the supplied details.
Compared with the Kohler Avec, this model has a fixed left drain rather than a preinstalled toe-tap drain, so it offers less flexibility if the plumbing is on the opposite side. Its pop-up drain and chrome overflow cover are included, though, which can simplify parts planning. I would choose it for a conventional left-drain layout; buyers prioritizing a specified soaking depth or a preinstalled drain should look at the Avec instead.
Pros:- Ergonomic shape with back support is suited to longer soaks.
- Reinforced acrylic is described as helping retain heat and resist scratches, stains, and fading.
- Includes a pop-up drain and chrome-plated overflow cover.
- Non-slip base, integral flange, and storage ledge add practical installation and use features.
Cons:- Fixed left drain limits fit with opposite-side plumbing.
- No soaking-depth or capacity figure is provided in the supplied specifications.
Best for: Homeowners replacing a standard-size tub with a left-side drain who want the pop-up drain and overflow cover included.
Not ideal for: Buyers with right-side or uncertain drain plumbing, or those who need a stated soaking-depth measurement before choosing.
- Dimensions:60 x 32 in.
- Material:Reinforced acrylic
- Installation type:Drop-in
- Color:Glossy white
- Drain location:Left
- Included drain:Pop-up drain
- Overflow cover:Chrome-plated
- Additional features:Non-slip base, integral flange, storage ledge
Our verdict“Choose this tub for a standard left-drain installation where included drain hardware and built-in support matter more than drain flexibility.”
Kohler Underscore 66 x 32-Inch Drop-In Bathtub, White
The 66-inch length sets the Kohler Underscore apart from the 60-inch tubs in this group, giving buyers more room to stretch out if their deck and bathroom can accommodate it. Its sloped backrest and molded lumbar support focus on reclining comfort, while the 76-gallon capacity and slotted overflow support a deeper-soak setup. Compared with the PROFLO Lansford 58 x 38, the Underscore is longer and narrower, so it favors legroom over a wider bathing area.
The main catch is that the compatible Kohler K-7271 or K-7272 drain is sold separately. That adds a separate parts decision where the Kohler Avec includes a preinstalled toe-tap drain. I would shortlist the Underscore for a larger rectangular deck and a buyer who values length and lumbar support; those with a tight alcove or preference for an included drain have simpler alternatives.
Pros:- 66-inch length offers more room to stretch out than the 60-inch options.
- Sloped backrest and molded lumbar support are designed for reclining comfort.
- Listed 76-gallon capacity and slotted overflow support a deep-soak setup.
- Simple rectangular design suits contemporary bathroom layouts.
Cons:- Compatible Kohler bath drain is sold separately.
- Longer footprint requires more deck and bathroom space than 60-inch models.
Best for: Buyers with a deck sized for a 66-inch tub who want extra length, molded lumbar support, and a listed 76-gallon capacity.
Not ideal for: Owners limited to a 60-inch footprint or shoppers who want the drain included with the tub.
- Brand:Kohler
- Model:1821-0
- Dimensions:66 x 32 x 66 in. (as listed)
- Material:Acrylic
- Installation type:Drop-in
- Shape:Rectangular
- Capacity:76 gallons
- Weight:109.8 lb
- Compatible drain:Kohler K-7271 or K-7272 slotted overflow bath drain; sold separately
Our verdict“Pick the Underscore when you have room for a 66-inch tub and prefer added length over the included-drain convenience of the Kohler Avec.”
PROFLO Lansford 58 x 38-Inch Drop-In Acrylic Soaking Tub with Reversible Drain and Overflow, White
The Lansford 58 x 38 is the wider, shorter alternative to the 60 x 32-inch tubs in this lineup. That footprint can suit a deck layout where bathing width matters more than extra length, and its reversible drain gives installers more placement flexibility than the fixed left drain on the 60 x 32 acrylic model. The 50-gallon capacity is a useful reference for soaking, while acrylic reinforced with composites is described as easy to care for.
Its five-year bathtub warranty is a clear specification advantage over the Kohler Underscore’s one-year limited warranty. The tradeoff is the smaller stated capacity than the Underscore’s 76 gallons, and drop-in installation still calls for a prepared opening or supporting structure. I would favor this PROFLO when a broad 58 x 38 footprint and reversible plumbing matter more than maximum listed capacity or extra length.
Pros:- Reversible drain placement can accommodate different plumbing layouts.
- 58 x 38-inch footprint provides more width than the 60 x 32-inch models.
- 50-gallon capacity gives buyers a clear soaking reference.
- Five-year bathtub warranty is longer than the listed Kohler Underscore warranty.
Cons:- Shorter 58-inch length offers less room to stretch out than the 60- and 66-inch options.
- Drop-in installation needs a suitable pre-cut opening or supporting structure.
Best for: Renovators with a wider, shorter deck who need reversible drain placement and want a stated five-year bathtub warranty.
Not ideal for: Buyers seeking the longest soak area or a capacity closer to the Kohler Underscore’s listed 76 gallons.
- Brand:PROFLO
- Model:PFS5838WH
- Dimensions:58 x 19 x 20.5 in.
- Material:Acrylic with reinforced composites
- Installation type:Drop-in
- Shape:Rectangular
- Capacity:50 gallons
- Drain:Reversible
- Warranty:5 years
Our verdict“Choose this Lansford for a wider deck and flexible drain placement, but pick the Underscore if listed capacity and extra length matter more.”
PROFLO Lansford 60 x 36-Inch Drop-In Acrylic Soaking Tub with Reversible Drain and Overflow, White
This Lansford’s clearest advantage is its reversible drain placement, which helps when the existing plumbing side is not settled or the bathroom layout differs from a fixed-drain tub. Its listed 52-gallon capacity edges the 58 x 38-inch Lansford’s 50 gallons, while the acrylic construction is described as helping bathwater hold heat. That makes this a practical middle ground for buyers who want a soaking tub without stepping up to the longer Kohler Underscore.
The supplied dimensions are listed as 36 x 36 x 19.5 inches, which do not match the product title’s 60 x 36-inch size; I would confirm the actual tub measurements with the seller before planning a deck opening. Unlike the Kohler Avec, no preinstalled drain is specified. Choose it for its drain flexibility after verifying fit, not when precise dimensions or included drain hardware are the priority.
Pros:- Reversible drain placement accommodates more plumbing layouts than a fixed-side drain.
- 52-gallon listed capacity supports a soaking-focused use.
- Acrylic construction is described as helping maintain bathwater heat.
- At 89 pounds, its listed weight is below the Kohler Underscore’s 109.8 pounds.
Cons:- Listed item dimensions conflict with the 60 x 36-inch title, so fit needs confirmation.
- No preinstalled drain is specified, unlike the Kohler Avec.
- Drop-in installation requires a suitable deck or surround.
Best for: Renovators who need a reversible drain and are willing to verify the tub’s actual dimensions before building the surround.
Not ideal for: Buyers who need confirmed 60 x 36-inch measurements for a tight deck opening or want a preinstalled drain.
- Brand:PROFLO
- Model:PFS6036NWH
- Title dimensions:60 x 36 in.
- Listed item dimensions:36 x 36 x 19.5 in.
- Material:Acrylic
- Installation type:Drop-in
- Capacity:52 gallons
- Drain placement:Reversible
- Weight:89 lb
Our verdict“Consider this Lansford for reversible plumbing and a 52-gallon capacity only after confirming its dimensions and drain components.”
Kohler Avec 60 x 32 in. Drop-In Bath, White
The Kohler Avec is the most installation-ready choice among the standard-size tubs here: it includes a preinstalled color-matched toe-tap drain and an integral slotted overflow. Its 60 x 32-inch footprint matches the left-drain acrylic tub, but the Avec adds a stated 13.25-inch soaking depth, softly angled lumbar support, and a raised neck rest. A low step-over height also suits buyers who find taller tub sides inconvenient.
Compared with the Kohler Underscore, the Avec gives up the longer 66-inch body and listed 76-gallon capacity, but takes less space and avoids buying the compatible drain separately. The main limitation is the drop-in format: it still needs a suitable deck or surround, and its fixed, preinstalled drain arrangement may not suit every plumbing plan. I would choose it for comfort and simpler parts planning over maximum length.
Pros:- 13.25-inch soaking depth is specified for buyers comparing bath depth.
- Raised neck rest and angled lumbar support add targeted comfort.
- Low step-over height can make entry and exit easier than a taller-sided tub.
- Preinstalled toe-tap drain and integral slotted overflow simplify parts planning.
Cons:- Drop-in installation still requires a suitable deck or surround.
- Shorter than the 66-inch Kohler Underscore and has no capacity figure supplied.
- Preinstalled drain arrangement offers less flexibility than a reversible-drain model.
Best for: Buyers replacing a standard-size tub who want easier step-over access, neck and lumbar support, and a drain already installed.
Not ideal for: Households needing a 66-inch soaking area or a reversible drain to match uncertain plumbing.
- Brand:Kohler
- Model:25831-0
- Dimensions:60 x 32 x 18.13 in.
- Soaking depth:13.25 in.
- Material:Acrylic
- Installation type:Drop-in
- Weight:89.2 lb
- Drain:Preinstalled color-matched toe-tap drain
- Overflow:Integral slotted overflow
Our verdict“Pick the Avec for a standard 60 x 32-inch opening when easier entry, built-in support, and a preinstalled drain outweigh extra tub length.”
Kohler Archer 72 x 36-Inch Drop-In Bath, White
The Kohler Archer 72 x 36 suits buyers who want a long bathing area without moving up to the wider 42-inch footprint of the Kohler Mariposa. Its Comfort Depth design pairs a lower step-over height with a deep-soaking layout, making entry easier while still giving bathers room to settle in. The textured bottom adds traction underfoot, a practical difference from the smooth high-gloss finish highlighted on the Swiss Madison Voltaire. Its beveled edges and rectangular form also make it a considered fit for a built-in deck. The tradeoff is that the spacious 72-inch shell needs a substantial alcove or platform and a dedicated drop-in installation; it is not a straightforward replacement for a standard 60-inch tub. The listed one-year limited warranty is also relatively brief.
Pros:- 72-inch bathing length provides more room than standard 60-inch options
- Comfort Depth design supports deep soaking with a lower step-over height
- Textured bottom adds traction underfoot
- Coordinates with other products in the Kohler Archer collection
Cons:- Requires a drop-in platform and more involved installation
- The 72 x 36-inch footprint may not fit common standard-tub spaces
- One-year limited warranty
Best for: Homeowners planning a roomy drop-in installation who want a deep soak, a lower step-over, and a textured tub floor.
Not ideal for: Renovators keeping a standard 60-inch footprint or anyone seeking a simple replacement tub without a custom deck.
- Model:1125-0
- Dimensions:72 x 36 x 20 inches
- Material:Acrylic
- Installation:Drop-in
- Shape:Rectangular
- Color:White
- Weight:160 pounds
- Warranty:One-year limited warranty
Our verdict“Choose the Archer if deep soaking and a textured floor matter more than fitting a standard-size opening.”
Swiss Madison Voltaire 60 x 30-Inch Reversible-Drain Drop-In Bathtub
The Swiss Madison Voltaire 60 x 30 is the most installation-flexible choice here for a conventional-size footprint: its reversible drain gives planners more options than the fixed layout of many tubs, while its 60 x 30-inch dimensions can suit tighter bathroom plans than the 72-inch Kohler Archer. The 15.5-inch soaking depth offers a clear spec for buyers comparing water depth, and the fiberglass-reinforced acrylic construction has a high-gloss finish designed to resist chipping and cracking. That finish is easier to wipe clean than a textured floor such as the Archer’s, though it does not provide the same stated traction feature. Buyers should budget and plan separately for the faucet and drain, which are not included. Its narrower footprint also means less bathing room than the larger Kohler Mariposa.
Pros:- Reversible drain supports flexible installation planning
- 15.5-inch soaking depth is specified
- Fiberglass-reinforced acrylic construction
- High-gloss finish is designed to resist chipping and cracking
Cons:- Faucet and drain are sold separately
- 60 x 30-inch footprint offers less room than 72-inch alternatives
- Drop-in installation requires a deck or platform
Best for: Renovators with a 60 x 30-inch drop-in opening who need drain-position flexibility and want a specified soaking depth.
Not ideal for: Buyers who want a complete drain-and-faucet package, a textured floor, or the extra bathing space of a 72-inch tub.
- Model:SM-DB569
- Dimensions:60 x 30 x 22 inches
- Material:Fiberglass-reinforced acrylic
- Installation:Drop-in
- Drain:Reversible
- Soaking depth:15.5 inches
- Capacity:60 gallons
- Finish and color:High-gloss white
- Warranty:1-year limited
Our verdict“Pick the Voltaire if your priority is a 60-inch tub with a reversible drain and you are prepared to source the fixtures separately.”
Kohler K-1259-0 Mariposa 6-Foot Drop-In Acrylic Soaking Bathtub with Reversible Drain, White
With a 72 x 42-inch footprint and 76-gallon capacity, the Kohler Mariposa is the roomiest choice in this group by stated capacity. It makes the most sense for a bathroom designed around a generous soaking tub, rather than a remodel limited to a standard-width opening. The reversible drain adds planning flexibility that the Kohler Archer 72 x 36 does not list, while the Mariposa’s extra six inches of width create a more expansive bathing area. That scale comes with a real space cost: it needs a wider deck and more floor area than either the Archer or the 60 x 30 Swiss Madison Voltaire. The product data also does not specify soaking depth or a textured floor, so buyers who prioritize those details may prefer the Archer’s stated Comfort Depth design and traction surface.
Pros:- 72 x 42-inch dimensions provide a wide bathing area
- 76-gallon stated capacity
- Reversible drain offers installation flexibility
- High-gloss acrylic construction
Cons:- Requires substantially more deck and floor space than 60-inch models
- Drop-in installation requires a built platform
- Soaking depth and floor texture are not specified in the product data
Best for: Homeowners designing a spacious bathroom around a wide drop-in soaking tub and who need a reversible drain layout.
Not ideal for: Buyers with a narrow bathroom, a standard tub opening, or a preference for a specified soaking depth and textured floor.
- Model:K-1259-0
- Dimensions:72 x 42 x 18 inches
- Material:Acrylic
- Installation:Drop-in
- Drain:Reversible
- Capacity:76 gallons
- Shape:Rectangular
- Color:White
- Warranty:One-year limited warranty
Our verdict“Choose the Mariposa when a wide footprint and high stated capacity outweigh the space and installation demands.”
How We Picked
I ranked these tubs around the decisions that most affect a drop-in installation: whether the footprint works, whether the drain and overflow can connect to the planned plumbing, and whether the interior size suits the way the household bathes. I gave weight to described features such as deeper soaking, reversible drain options and the unusually broad size range of the PROFLO Lansford lineup. A named feature is useful only when it addresses a real constraint; a reversible drain, for example, can make an existing layout easier to accommodate, but it does not replace checking the actual rough-in.
The ranking favors versatile choices for common renovations, then models that make more sense for specific footprints or priorities. Larger 66- and 72-inch tubs appear lower as general recommendations because they call for more deck space and a closer look at water capacity and support, not because size alone signals better bathing. Where product details are limited, I avoid assuming construction, included hardware, comfort or installation requirements that are not specified. Buyers should confirm current product documentation and dimensions before ordering.
| drop in bathtub | Material | Installation | Drain |
|---|---|---|---|
| American Standard Evolution 60 | Fiberglass-reinforced acrylic | Drop-in or alcove | Reversible; Deep Soak Max drain sold separately |
| PROFLO Lansford 60 x 42-Inch D | Acrylic with reinforced composites | Drop-in or three-wall alcove | Reversible |
| Swiss Madison Voltaire 72 x 36 | Fiberglass-reinforced acrylic | Drop-in | Reversible; drain not included |
| PROFLO Lansford 72 x 42-Inch D | Acrylic | Drop-in | Reversible |
| Kohler Archer 60 × 30 in. Drop | ExoCrylic | Drop-in | — |
| 60 x 32 in. Acrylic Drop-In Ba | Reinforced acrylic | — | — |
| Kohler Underscore 66 x 32-Inch | Acrylic | — | — |
| PROFLO Lansford 58 x 38-Inch D | Acrylic with reinforced composites | — | Reversible |
| PROFLO Lansford 60 x 36-Inch D | Acrylic | — | — |
| Kohler Avec 60 x 32 in. Drop-I | Acrylic | — | Preinstalled color-matched toe-tap drain |
| Kohler Archer 72 x 36-Inch Dro | Acrylic | Drop-in | — |
| Swiss Madison Voltaire 60 x 30 | Fiberglass-reinforced acrylic | Drop-in | Reversible |
| Kohler K-1259-0 Mariposa 6-Foo | Acrylic | Drop-in | Reversible |
Factors to Consider When Choosing Drop In Bathtub
I’d settle the fit and installation questions before comparing finishes or brand names. A drop-in tub depends on a framed deck and surrounding finish, so a small mismatch can affect plumbing access, support and the final look.
Measure the Deck Opening and the Finished Footprint
Measure the space available for the tub itself, not just the room or the old tub’s nominal length. Manufacturers’ exterior dimensions may not match the cutout or deck opening required for installation, so use the installation sheet for the exact model. Check width as well as length: the jump from a 60 x 30 tub to a 60 x 42 tub changes the deck substantially. Also account for finished wall surfaces, faucet placement and access panels. A common mistake is ordering from a listing title before confirming how the rim, frame and surround fit together. If your layout has a fixed footprint, choose the model around that constraint rather than planning to solve it with trim later.
Match Drain Position to Existing Plumbing
Before choosing a tub, locate the waste line and confirm which drain position the installation can accommodate. A reversible-drain listing may offer more layout flexibility, but the term does not tell you whether every configuration suits your home; check the maker’s installation instructions. The listed 60 x 32 acrylic tub specifies a left drain, making it a less flexible starting point if your plumbing is on the other side. Moving plumbing can add work, so compare that cost and disruption with selecting a compatible tub. Check overflow placement and connection details at the same time, rather than treating them as small accessories. If the rough-in is uncertain, have a plumber verify it before purchase.
Choose Soaking Room Without Overbuying Water Capacity
A longer or wider exterior does not guarantee a deeper or more comfortable soak; usable basin dimensions and water depth matter more than the headline size. Look for interior measurements and the stated soaking depth in the manufacturer’s specifications, then compare them with the bather’s height and preferred position. A 72-inch model can provide more room, but it also takes more floor and deck space and may require more water to reach a comfortable level. That can affect filling time and hot-water supply. Deep-soaking designs may appeal to people who prioritize immersion, while easier entry and exit may matter more to other households. Avoid choosing by outside length alone.
Plan the Deck, Support and Plumbing Access
A drop-in tub is part of a built surround, so the deck needs to support the installation and leave a practical route to plumbing components. Follow the product’s specified framing and support method; do not assume the tub can rest on any finished surface. Decide where an access panel can sit before committing to tile or cabinetry, especially if the drain or fittings will need future service. A larger tub can mean a larger supporting structure and more complex delivery through doors and hallways. Confirm floor capacity and installation requirements with a qualified contractor when the tub is unusually large or the building is older. Good access is easy to overlook until a repair requires opening finished work.
Compare Materials and Maintenance Requirements
Listings in this group identify several models as acrylic, but material labels alone do not tell the whole story about feel, care or long-term upkeep. Read the manufacturer’s cleaning guidance and check which cleaners or abrasive tools it permits before choosing a finish. Ask what care the rim and surrounding deck require, since water can collect at seams if the installation is not properly finished. Confirm whether the drain, overflow and any fittings are included or must be sourced separately; do not infer package contents from a product name. Maintenance is also shaped by access: a serviceable plumbing panel can matter more over time than a minor difference in tub styling. Compare the complete installation and care instructions, not just the headline specifications.
Pay More for a Specific Need, Not a Bigger Number
A premium or oversized option makes sense when its dimensions or stated features solve a real problem, such as accommodating a larger bather or supporting a planned bathroom layout. It is a poor fit if the extra footprint crowds circulation or forces plumbing changes without delivering useful interior room. For a standard renovation, a well-matched 60-inch tub may be a better decision than a 72-inch model that demands a larger deck and more hot water. Beginners should favor clear installation documentation and a straightforward match to the existing rough-in over a complicated layout. Compare total project demands, including framing, finishing and delivery, rather than judging value by the tub alone. The right upgrade is the one you will use, not simply the largest option available.
Frequently Asked Questions
Will a 60-inch drop-in tub fit where my old 60-inch tub was?
Not automatically: a 60-inch label usually describes a nominal exterior dimension, while the required opening and deck depend on the exact model. Compare the new tub’s installation sheet with the old tub’s measurements, including width, rim shape and drain location. A change from a 60 x 30 to a 60 x 36 or 60 x 42 model also changes the deck even though the length stays the same. Check finished wall thickness and faucet clearance before building or modifying the surround. If the old framing is staying, verify the fit with the manufacturer’s cutout and support specifications.
Is a reversible drain enough to avoid moving plumbing?
It can provide more placement options, but the label alone does not confirm that a tub will match your existing waste line. Review the installation diagram to see what reversible means for that specific model and which configurations are permitted. Measure the drain location from fixed points in the room and compare it with the tub’s drain center. Also check overflow connections and access to the trap. If the drain does not line up, ask a plumber whether adapting the plumbing is practical before you order.
Should I choose a 72-inch tub for a more comfortable soak?
Choose a 72-inch tub only if its usable interior dimensions suit your body and your bathroom can accommodate its full footprint. A longer exterior may provide more legroom, but basin shape and soaking depth also affect comfort. Larger tubs can require more water, a greater hot-water supply and additional support, so check those requirements before deciding. Measure delivery routes and the finished deck as well as the bathroom floor. If you cannot verify the interior dimensions, do not assume the larger nominal length will feel better.
What should I check before choosing a drop-in tub for an existing bathroom?
Start with the available opening, drain position, overflow configuration and the tub’s framing requirements. Then check whether the current floor and hot-water system can support the selected size and filling needs. Determine where plumbing access will be located so future maintenance does not require removing finished tile or cabinetry. Compare the product’s required opening with the dimensions of your existing deck; the outside measurements are not enough. When any of these details are unclear, ask the installer or plumber to review the specifications before purchase.
Are tub, drain and overflow parts included with these models?
Do not assume that a drain or overflow assembly is included because a listing mentions a drain feature or an overflow. Package contents can vary by model and seller, and the product details provided here do not establish which fittings are supplied. Check the current product page and manufacturer documentation for an explicit included-components list. Confirm that the chosen drain finish and connections work with the tub and the planned plumbing. Clarifying this before installation helps avoid delays and mismatched parts.
Conclusion
Best overall: I’d begin with the American Standard Evolution 60-Inch Deep Soaking Tub for a familiar footprint paired with a deeper-soaking focus. Best value-minded fit: the PROFLO Lansford 60 x 36 offers a middle ground for buyers who want more width than a 60 x 30 without moving to an oversized 72-inch tub; compare its specifications and installation needs before deciding. Best premium or spacious choice: look at the Kohler Mariposa 6-Foot or the larger Lansford and Voltaire models only if your deck, support and hot-water supply suit their size. Best for beginners: the Kohler Archer 60 x 30 is a sensible place to start when a compact, standard-length footprint is the priority. Best for specific layouts: choose among the Lansford’s multiple sizes for a less common footprint, or consider the reversible-drain models when plumbing flexibility matters. Before ordering any of them, verify the cutout, drain, overflow and installation requirements against your bathroom.
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