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How do I choose the best walk-in tub for my space and budget?

Updated October 2026

Choose a walk-in tub in three passes: first the person who will bathe, then the room the tub has to fit, and only then the therapy package and options that set what your order includes. Ella's Bubbles offers 27 walk-in tub models, all in white, so the right footprint usually exists once you know whether the bather steps in and sits, transfers from a wheelchair, stays in a wheelchair, or wants to stretch out. What Are the Best Accessible Tub and Shower Options for Retrofitting a Home? sorts the complete tub and shower choices by bather, and this page turns that into a buying checklist with the figures you need at each step.

Step 1: Measure the Bather Before You Measure the Bathroom

The second video on this page is Ella's own guide to body measurements, and it is the place to start. Take a hip measurement first, because the seat of the tub you choose must be wider than your hips. Then check your shoulder width against the tub, since different body sizes call for different size tubs. For length, sit in a chair facing a wall in a relaxed position and measure from your head to your feet, then compare that figure with the tub drawings and specifications. The video also notes that Ella has two extra-large tubs with very long seats built for taller bathers, and that those would be uncomfortable for a person of normal or shorter height, so bigger is not automatically better.

Soaking depth is set by three things: the interior length of the tub, the length of the seat, and the depth from the top of the seat to the overflow drains. The Ultra's product video puts real numbers on that: an ADA compliant 17 inch seat height, a 19 inch seat length for leg support, a 17 1/2 inch soaking depth measured from the top of the seat to the center of the overflow, 42 inches of interior length and 24 inches of shoulder width, and the current spec sheet adds a 22 inch seat width. Ultra, Standard, Flow and S-Class on Video pairs the on-screen figures with the spec sheets for the inward-door models. Every Ella walk-in tub also has a large foot well, which makes showering while standing or seated easier.

Step 2: Match the Entry to How the Bather Gets in

  • The bather walks in and can sit down. A seated walk-in tub is usually the best fit. The bather steps through a sealed door over a low threshold, about 3.5 inches on the Capri, and sits at roughly chair height, 17 inches on most models, with no tub wall to climb over.
  • The bather transfers from a wheelchair. The Transfer family has a wide L-shape door built for seated transfers, and the Transfer 60 is the model named as wheelchair accessible in the lineup comparison.
  • The bather stays in a wheelchair or shower chair. A curbless roll-in shower base is the better choice because there is no lip to lift a wheel over. Ella's bases come in 30 x 60, 32 x 60 and 36 x 60 inches, and the beveled roll-in entry on the acrylic bases is 3/4 inch to 1 1/8 inch depending on size. Should I choose a walk-in tub or a roll-in shower? weighs the two in detail.
  • The bather wants to stretch out. A lay-down walk-in tub such as the LayDown 30x60 keeps a low step-in while giving a full-length soak.

Step 3: Fit the Room You Already Have

Once you know the type of tub, the room decides the size. Measure the length and width of the opening and note where the existing drain and the door swing fall. The table lists the figures Ella's current guides publish for the main choices; a cell says not listed where a guide does not give the number.

OptionSize and key figuresBest for
Ultra (inward aluminum and glass door)Actual size 29 1/2 by 52 1/8 by 40 inches; 17 inch seat height, 22 inch seat width, 19 inch seat length; 17 1/2 inch soaking depth; 75 gallons unoccupied; 7 inch extension panel includedA standard 60 inch alcove, with the extension panel filling the gap
Front Entry 32x40 (end door)Actual size 32 by 40 by 40 inches; 25 inch seat; 70 gallons unoccupied, 25 to 55 occupied; door swings outward from the endNarrow spaces only 40 inches long where a conventional tub will not fit
Seated walk-in tub (Capri as example)3.5 inch step-in threshold; 17 inch seat height on most models; other figures not listedA bather who steps in and sits upright
Transfer walk-in tubWide L-shape door; threshold figure not listedSeated transfers from a wheelchair
LayDown 30x6030 inches wide by 60 inches long; low threshold; tempered glass doorA bather who wants to lie back and stretch out
Two-seater walk-in tub32 inches wide by 60 inches long; jets on every two-seater modelTwo bathers, or extra room in the tub
Curbless roll-in shower baseStandard sizes 30 x 60, 32 x 60 and 36 x 60 inches; beveled entry 3/4 inch to 1 1/8 inchWheelchair and walker users, caregiver-assisted bathing

The differences matter in two ways. Length decides whether the tub drops into the space a standard tub left behind or needs a panel or framing: the Ultra is shorter than 60 inches and ships with its 7 inch extension panel for that reason, while the Front Entry is short enough for a space that only runs 40 inches and includes two removable side panels for corner or single-wall placement but no back panel and no extension panel. Seat length and soaking depth decide comfort: a long seat suits a tall bather and a short one does not, which is why the body measurements in Step 1 come before the room measurements.

Every Ella model except the Front Entry is also ordered as left-hand or right-hand. The side is named as you face the tub: the door and seat sit on one side and the drains, water supply and faucet sit at the opposite end, so a right-side door means left-side drains. Your existing house drain need not dictate the choice, because there is roughly 3 inches of clearance beneath the frame, enough for a 2 inch PVC line to cross under the tub. Think instead about grab-bar reach for someone who uses one arm, and check the swing of an outward door against your toilet and vanity. Left-Hand or Right-Hand? Choosing Door, Drain, and Faucet Side walks through that decision, and the Front Entry profile explains the one model that skips it.

Step 4: Choose Therapies and Options with Your Budget in Mind

The tub model sets the footprint, but the therapy package, faucet and accessories are the lines that change from one order to the next, so this is where a budget conversation belongs. Packages differ by model. The Ultra offers Air plus Hydro, Hydro plus Hydro Foot, Hydro plus Micro, and Hydro. The Front Entry offers Air plus Hydro, Hydro plus Microbubble, Hydro and a Soaking version with no jets, has no Hydro plus Foot option, and does not include the LED chromatherapy light with any package. Options shown across the product videos include the heated seat and backrest, digital or push-button controls, chromatherapy, the four-fold glass screen, and the rain-head shower column, plus the 2-piece fast-fill faucet rated up to 16 GPM or the 5-piece set.

Each therapy choice has a knock-on effect for your electrician. The Front Entry, for example, needs one dedicated GFCI 110/120V line for Hydro or Air plus Hydro and two lines for Hydro plus Microbubble or the heated seat, and the first video on this page closes with the same advice: pick the features that improve your bath, then make sure of professional installation and reliable support. Ella's Bubbles ships the tub and backs it with parts and technical support, and a local licensed plumber and electrician do the installation. Settle the model, package, faucet, door side and accessories together with your Ella dealer or the team at (800) 480-6850, because the tub is built to that order.

Video
Watch: How to Choose the Perfect Walk-In Tub | Ella’s Bubbles with chapters and a full transcript.
Video
Chapters in this video
  1. 0:00 Measure Your Hip Width The video explains how to measure your hip width to ensure the tub's seat is wide enough for you.
  2. 0:16 Measure Your Shoulder Width The video demonstrates how to measure your shoulder width to find a tub that accommodates your body size.
  3. 0:35 Measure For Tub Length The video shows how to measure your body length while sitting to determine the appropriate tub length.
  4. 1:08 Determine Soaking Depth The video discusses the factors that determine the overall soaking depth of an Ella's Bubbles walk-in tub.

Watch: How To Choose The Right Walk-In Tub For You | Ella's Bubbles with chapters and a full transcript.

Video
Chapters in this video
  1. 0:00 Choosing Your Perfect Walk-In Tub This chapter guides you through considering personal needs and body measurements to select the ideal Ella's Bubbles walk-in tub size.
  2. 2:45 Home Accommodation and Tub Placement This chapter explains how to measure your home's doorways and hallways to ensure your chosen Ella's Bubbles tub will fit and where it can be placed.
  3. 4:45 Ensuring Proper Water Supply This chapter details the recommended hot water heater capacity and supply line specifications for optimal Ella's Bubbles tub performance.
  4. 5:16 Designing Your Tub's Features This chapter covers customizing your Ella's Bubbles walk-in tub with various jetting packages, therapeutic options, and cleanliness features.
  5. 6:43 Adding Accessories and Luxury This chapter showcases additional accessories like heated seats, headrests, glass screens, and aromatherapy to enhance your Ella's Bubbles tub.
Video
Chapters in this video
  1. 0:00 Measure Your Home First It is important to measure all doorways and hallways to ensure the walk-in tub will fit into your home.
  2. 0:12 Find Tub Dimensions Online Customers can find specific dimensions for each tub model by visiting the Ella's Bubbles website and clicking the download tab.
  3. 0:48 Ensure Easier Installation Proper measurements of all doorways and hallways will help ensure an easier installation process for your walk-in tub.

Common Questions

Does a bigger walk-in tub always give a more comfortable bath?
No. Ella's body-measurement video explains that the two extra-large tubs with very long seats are built for taller bathers and would be uncomfortable for a person of normal or shorter height. Match seat width to your hips, shoulder width to the tub, and seat length to your seated head-to-feet measurement instead of choosing the largest model.
How do I know which seat width I need in a walk-in tub?
Measure your hips first and choose a tub whose seat is wider than that figure. Then compare your shoulder width with the tub's interior width and your seated length with the tub drawings and specifications on the spec sheet. The Ultra, as one example, has a 22 inch seat width and 24 inches of shoulder width.
Which Ella walk-in tub fits the shortest space?
The Front Entry 32x40 is the shortest walk-in tub in the line, with an actual size of 32 inches wide by 40 inches long by 40 inches high. Its outward U-shape door is on the end, so the tub can slide into a space only 40 inches long, and it is the one model not ordered as left-hand or right-hand.
Should a wheelchair user choose a walk-in tub or a roll-in shower?
It depends on whether the person leaves the wheelchair. A bather who can make a seated transfer suits the Transfer family with its wide L-shape door, and the Transfer 60 is named as wheelchair accessible. A bather who stays in a wheelchair or shower chair is better served by a curbless roll-in shower base with no lip to cross.
Do I have to pick a left-hand or right-hand tub when I order?
Yes, for every Ella model except the Front Entry. The side is named as you face the tub, with the door and seat on one side and the drains and faucet at the opposite end, so a right-side door means left-side drains. Roughly 3 inches of clearance under the frame lets a 2 inch PVC line reach a house drain on either side.
What determines the soaking depth of a walk-in tub?
Three things: the interior length of the tub, the length of the seat, and the depth from the top of the seat to the overflow drains. Your own size then sets the depth you actually experience. On the Ultra the published soaking depth is 17 1/2 inches, measured from the top of the seat to the center of the overflow.

About this guide. Answers in the Ella’s Bubbles Support Center are compiled from real conversations with tub owners, our technicians’ notes and the product documentation, then reviewed by our team. Tub models and options have evolved over the years, so a detail here may differ slightly from your exact tub. If something looks different on yours, send us your serial number and a specialist will confirm it for your model.

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