Sizing guide
Walk-in shower sizes
Everything we stock, what each size is actually good for, and how to measure your bathroom properly before you order. Then build your exact kit with the configurator further down and send us the spec.
The short answer
If you are replacing a bathtub, start at 60″ wide. A standard alcove tub is 60 inches long, so a 60-inch pan usually drops straight into the opening with no framing changes. What you need to decide is the depth: 60×30 is the ADA standard roll-in minimum, 60×32 is our single most requested size, and 60×36 gives enough room for a seat and a caregiver.
If you are replacing an existing shower stall, measure the opening and match it. 36×36, 42×36 and 48×36 cover most stalls built in the last forty years.
And if your number falls between sizes, which happens constantly in older houses, we build the pan, the walls or the whole kit to your dimensions instead.
Measure first
Four measurements, five minutes.
Getting this right is the difference between a shower that drops in and a shower that goes back on a truck. Take these four numbers before you do anything else.
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Width, wall to wall
Measure the full opening at the back, left wall to right wall. Then measure again at the front. Old houses are rarely square, and the smaller number is the one that matters.
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Depth, back wall to front edge
From the finished back wall out to the front of the tub or curb. This is the number that decides between 60×30 and 60×36.
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Ceiling height
Floor to ceiling inside the alcove. Standard wall panels run to roughly 80″–82″ tall. Low ceilings and sloped ceilings need custom wall heights, which we make.
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The narrowest point on the way in
Front door, hallway turns, stairwell. This decides whether you can take a single-piece unit or need multi-piece sections and a split backwall.
One more, and it saves the most money: note which end of your existing shower or tub the drain sits at. Ordering a pan whose drain already matches your waste line keeps a plumber out of your floor entirely.
The sizes most people need
Six footprints cover about nine orders in ten.
We stock 34, but the truth is that most bathrooms in this country were built to a handful of standard openings. Find yours here first.
The standard tub replacement
A standard alcove bathtub is 60 inches long and around 30 to 32 inches deep. This size drops into that footprint with no framing changes and no drywall work, which is why it outsells everything else we make.
Available barrier-free or curbed, in every drain position, and as a pan on its own.
Room for a seat and a helper
The extra four inches of depth stop being a luxury the moment somebody needs a fold-down seat or a caregiver standing alongside. Some jurisdictions require this depth on roll-in installations for exactly that reason.
Our usual recommendation when the shower is being built for someone specific.
The code-compliant footprint
The ADA sets 30 by 60 inches clear inside as the minimum for a standard roll-in shower compartment, with a 60-inch wide entry. If your project is code-driven, this is the smallest that qualifies.
Pair it with a 0.5″ threshold, since that is the ADA roll-in maximum.
Available in every configuration
The only size we make as a barrier-free multi-piece, barrier-free single-piece, curbed multi-piece, curbed single-piece and a standalone pan. If you have a 48-inch opening, you have every option open to you.
A common replacement for stalls built into 1970s and 1980s bathrooms.
Compact and code-aware
The ADA requires transfer shower compartments to measure exactly 36 by 36 inches clear inside, with a 36-inch entry and a seat mounted 17 to 19 inches from the floor. This is that footprint.
Also a sensible compact stall for a small second bathroom.
When space is not the constraint
Genuine turning room for a wheelchair, space for a caregiver, and enough floor that two people are not in each other's way. We go up to 72×48 in a complete kit and 78×48 as a pan.
Common in new builds, primary suites and healthcare settings.
Full size chart
Every stock size, and what it comes as.
Width first, depth second, in inches. A tick means we stock that size in that configuration. Anything not on this list, we build custom.
| Size | Barrier-free | Curbed | Single-piece | Pan only | Best suited to |
|---|---|---|---|---|---|
| 30×30 | — | ✓ | — | — | Compact corner stall, small powder rooms and en-suites. |
| 34×36 | — | ✓ | — | — | Tight alcove replacement where depth is limited. |
| 36×32 | — | ✓ | — | — | Narrow footprint for a small second bathroom. |
| 36×36 | ✓ | ✓ | ✓ | ✓ | The ADA transfer shower footprint. Also a common compact stall. |
| 38×38 | ✓ | ✓ | ✓ | ✓ | Square corner unit with a little more elbow room. |
| 40×38 | — | ✓ | ✓ | — | Slightly wider square, single-piece only. |
| 42×36 | ✓ | ✓ | — | ✓ | Popular small-bathroom size with usable standing room. |
| 42×38 | — | ✓ | ✓ | — | Square-ish corner fit for older floor plans. |
| 42×42 | ✓ | ✓ | — | ✓ | Generous square corner shower. |
| 45×50 | — | — | — | ✓ | Unusual footprint, pan only. Solves awkward alcoves. |
| 48×32 | — | ✓ | — | — | Narrow but long, fits between fixed walls. |
| 48×34 | ✓ | ✓ | ✓ | ✓ | Compact alcove with comfortable depth. |
| 48×36 | ✓ | ✓ | ✓ | ✓ | The most popular compact size. Available in every configuration we make. |
| 48×48 | ✓ | ✓ | — | ✓ | Square walk-in with room to turn. |
| 50×34 | — | ✓ | ✓ | — | Single-piece only, for new build and gut jobs. |
| 50×36 | — | ✓ | ✓ | — | Single-piece only, wider stance. |
| 50×38 | — | ✓ | ✓ | — | Single-piece only, deepest of the 50-inch range. |
| 51×39 | — | — | — | ✓ | Pan only. Fills an odd opening without custom work. |
| 54×30 | ✓ | ✓ | — | ✓ | Short tub replacement where the alcove is under 60 inches. |
| 54×36 | ✓ | ✓ | — | ✓ | Same short alcove, more depth for a seat. |
| 55×32 | — | ✓ | — | — | Curbed only. Matches certain older tub openings. |
| 60×29 | ✓ | — | — | ✓ | Shallowest 60-inch option, for very tight bathrooms. |
| 60×30 | ✓ | ✓ | ✓ | ✓ | The ADA standard roll-in minimum footprint. Common tub replacement. |
| 60×32 | ✓ | ✓ | — | ✓ | Our most requested size. Replaces a standard bathtub almost exactly. |
| 60×33 | ✓ | ✓ | ✓ | — | A shade deeper than 60x32, useful when the wall is not square. |
| 60×34 | ✓ | ✓ | ✓ | ✓ | Comfortable tub replacement with room for a seat. |
| 60×36 | ✓ | ✓ | — | ✓ | The caregiver-friendly roll-in depth. Excellent for aging in place. |
| 60×38 | — | ✓ | ✓ | — | Single-piece only, extra depth. |
| 60×42 | ✓ | ✓ | — | ✓ | Large walk-in. Easy wheelchair turning, no crowding. |
| 60×48 | ✓ | ✓ | — | ✓ | Extra-large. Room for a seat, a caregiver and a chair. |
| 60×60 | ✓ | — | — | ✓ | Square wet-room feel. A statement shower. |
| 63×37 | — | ✓ | — | — | Curbed only, for wider non-standard alcoves. |
| 72×48 | ✓ | — | — | — | Largest multi-piece barrier-free unit we stock. |
| 78×48 | — | — | — | ✓ | Our largest pan. Custom and commercial applications. |
34 stock footprints across 77 size and style configurations. Barrier-free thresholds run 0.5″ to 2″ in quarter-inch steps; curbed units use a traditional 4″ curb. Every size is available with a left, right, centre or front trench drain, and we cut custom drain locations for difficult remodels.
Build your kit
Configure the shower, then send us the spec.
Work through the choices and a real spec sheet writes itself beside you. Nothing is hidden behind an email form. When you are happy with it, send the whole configuration to us in one click and we will price exactly what you built.
Your specification
Barrier-free walk-in shower kit
We price the exact configuration above, including freight to your ZIP code. Prefer to talk it through? Call 1-888-779-2284.
When nothing fits
Custom sizes are routine, not exotic.
Houses built before about 1970 almost never match a modern catalogue. Neither do additions, converted porches, attic conversions or anywhere a wall has been moved. If your measurements land between two stock sizes, that is not a problem to solve with shims.
We build custom shower pans, custom wall panels and complete custom kits to your dimensions. Custom wall heights for low or sloped ceilings. Custom drain locations when moving the waste line is not realistic. Custom colours, integrated accent bands and real tile worked into the wall system.
It carries a premium, but usually far less than people expect, and almost always far below the cost of building a tiled shower on site. Ask before you assume it is out of reach.
Once you know your size
Decide the rest of the shower.
Shower pans
Threshold heights, drain positions and what a trench drain actually does for you.
Shower pansWall panels
Triple gel coat, natural stone style and PVC tile style finishes, plus custom colour and real tile.
Wall panelsWhat it costs
Component pricing, what installation adds, and a calculator that gives you a number without an email form.
PricingSizing questions
What people ask about fit.
Still unsure? Send us your measurements and a photo. Call 1-888-779-2284.
What is the most common walk-in shower size?
60 by 32 inches is the most requested size, because a standard alcove bathtub is 60 inches long and around 30 to 32 inches deep. A 60 inch wide pan drops into the footprint a tub leaves behind with no framing changes. Across all bathrooms, 60 inch widths account for the majority of replacements.
What size shower replaces a bathtub?
Start at 60 inches wide. The depth is what varies between homes, so measure from the finished back wall to the front edge of the tub. That number will usually point you to 60x30, 60x32, 60x34 or 60x36. If it falls between two sizes, we build the pan to your exact dimension.
What is the minimum size for a walk-in shower?
We stock down to 30 by 30 inches for a compact corner stall. For accessible showers the minimums are set by the ADA: a transfer shower must be exactly 36 by 36 inches clear inside, and a standard roll-in shower must be at least 30 by 60 inches clear inside with a 60 inch wide entry.
What is the standard walk-in shower size?
There is no single standard, but 60 by 32 inches is the closest thing to one in American homes because it matches the standard bathtub footprint. For stalls rather than tub conversions, 36x36, 42x36 and 48x36 cover most openings built in the last forty years.
What size walk-in shower do I need for a wheelchair?
For a standard ADA roll-in compartment, a minimum of 30 by 60 inches clear inside with a 60 inch wide entry, plus a 30 by 60 inch clear floor space beside the opening. In practice we usually recommend 60x36 or larger so a caregiver can assist, and some jurisdictions require that extra depth. Pair it with a 0.5 inch threshold, which is the ADA roll-in maximum.
How do I measure for a walk-in shower kit?
Take four measurements. First, the width wall to wall at the back and again at the front, using the smaller number. Second, the depth from the finished back wall to the front edge of the tub or curb. Third, floor to ceiling inside the alcove. Fourth, the narrowest point on the route from your front door to the bathroom, which decides whether a single-piece unit can physically get in. Also note which end your existing drain sits at.
Do you make custom size shower pans and kits?
Yes, and it is one of the main reasons people call us. We build custom shower pans, custom wall panels and complete custom kits to any dimension. Older homes, additions and converted spaces very often do not match catalogue sizes. Send us your measurements and we will quote it.
How tall are the shower wall panels?
Standard wall systems run to roughly 80 to 82 inches tall depending on configuration. If you have a low ceiling, a sloped ceiling or a soffit in the way, we make custom wall heights, so measure floor to ceiling inside the alcove and tell us the number.
Will a walk-in shower fit through my door?
Multi-piece units are designed to. They break down into sections that pass through a standard 32 inch door, up stairways and around corners, and a split backwall clears openings a full sheet will not. Single-piece showers arrive as one moulded unit and need a clear straight path, which usually means new construction or a gut renovation.
What sizes are available as a shower pan on its own?
Twenty barrier-free pan sizes, from 36x36 up to 78x48, including a few footprints such as 45x50 and 51x39 that exist specifically to solve awkward openings without going fully custom. Buying the pan alone is the right move when your walls are still sound.
Which size is best for aging in place?
60 by 36 inches is our usual recommendation. The extra depth over a 60x32 gives room for a fold-down seat and for someone to assist, and it still fits a standard bathtub opening in most homes. Combine it with a low threshold, a handheld wand on a slider bar and two grab bars.
Can I get a shower to fit an odd-shaped bathroom?
Usually, yes. Between 34 stock footprints and full custom manufacturing, very few bathrooms genuinely cannot be solved. Corner configurations, non-square walls and unusual depths are routine for us. Send measurements and a photo and we will tell you what fits.
Get your quote
Tell us the room. We will tell you what fits.
Send your measurements and we will come back with the sizes that work, the threshold height we would recommend, and a price. If you want it installed, say so and we will quote that too.
Not sure how to measure? Do not worry about being precise on the first pass. Give us rough numbers and a photo, and we will tell you exactly what to measure next.
Rather just talk?
1-888-779-2284A real person answers, and they know the product. No call centre, no script.
Let's find the shower that fits.
Bring us a measurement and a rough idea. We will handle the rest, and we will tell you honestly if a different product suits you better.
1-888-779-2284