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What is the best walk-in tub, and how do I compare models?

Updated September 2026

▶Glossary6
  1. Measure Yourself Before You Compare Tubs
  2. The Numbers That Separate One Model from Another
  3. Features to Weigh Once the Fit Is Right
  4. Related Guides
  5. Related Videos
  6. Common Questions

There is no single best walk-in tub, because the tub that suits you is the one that fits your body, your bathroom and the way you like to bathe. Ella's Bubbles builds a full range of walk-in tubs, and comparing them comes down to seat width, soaking depth, door style and therapy options, all measured against you rather than against a ranking. The method starts with Seat sizes and soaking depth: how to measure yourself for a comfortable fit.

Measure Yourself Before You Compare Tubs

Ella's measuring video shows the method. Sit in a chair facing a wall, in a relaxed position, and take three measurements:

  • Your hips while seated. The tub seat must be wider than this number.
  • Your shoulder width while seated, so the tub you choose has the proper shoulder room for your body size.
  • Your length from head to feet while seated, to gauge the tub length that fits you.

Compare those numbers with the drawings and specifications for each model, and be exact, because different body sizes require different size tubs. Bigger is not automatically better. The extra-large tubs with very long seats are designed for taller bathers, and they can be uncomfortable for an average or shorter person.

The Numbers That Separate One Model from Another

Seat width. Ella seat widths run from 19 inches on the Petite and Transfer26 to 29 inches on the TransferXXL, so your seated hip measurement narrows the field quickly.

Soaking depth. The soaking depth of an Ella walk-in tub is determined by the interior length of the tub, the length of the seat, and the depth from the top of the seat to the overflow drains. That seat-to-overflow figure runs roughly 15 to 18 inches across the mid-size models, and a tall bather with a long torso sits higher in the water than a shorter bather on the same seat.

Length for tall bathers. For a bather around six feet or taller, the models built with long seats and long interiors are the Big4One and the ShaK, and the ShaK is the largest single-seat walk-in tub Ella makes. The details are in What size walk-in tub fits a six-foot-tall person?.

Weight. Ella does not publish a single bather weight limit across the lineup, because the deciding factor is fit. Every shell sits on a rustproof stainless steel frame that carries the load to the floor, so if you can sit comfortably inside the tub, the tub holds you. See What Is the Total Weight Capacity of a Walk-In Tub?.

Door style. The Ultra uses an aluminum-and-glass inward door, the Standard and the Flow use the acrylic inward S-shape door, and models such as the Big4One use an outward-swing U-shape door for a wide, easy entry. The door you can live with depends on the floor space in front of the tub.

Features to Weigh Once the Fit Is Right

The Ultra product tour is a good picture of what the current models offer: an ADA compliant seat height, dual drain technology, three-speed air massage with auto purge, hydro massage with an in-line heater and intensity dial, ozone sterilization, chromatherapy, a heated seat and backrest, and an independent foot massage with its own dedicated pump. Ultra, Standard, Flow and S-Class on Video: Seat Heights, Soaking Depth, Thresholds and the Legacy Line pairs those on-screen figures with the current spec sheets.

The two videos on this page show two of those differences up close. The first explains that an Ella tub with independent foot massage and full body hydro massage uses two separate pumps, one for the seat jets and one for the foot jets, each with its own intensity control dial, so you can run full power to just your feet or to your entire body. The second walks through faucet choices, from the two-piece high-flow set to the five-piece high-flow set and the thermostatic faucet, and explains that each tub is pulled for your order and drilled for the faucet and features you select. Your Ella dealer or the team at (800) 480-6850 can match your measurements to a model.

Chapters in this video
  1. 0:00 Choosing Your Walk-In Tub Faucet We discuss the importance of selecting the right faucet for your Ella's Bubbles walk-in bathtub.
  2. 0:21 Customizing Your Bathtub Order We explain how each Ella's Bubbles bathtub is custom-drilled and installed with your selected faucet and features.
  3. 0:39 Competitor Faucet Limitations We highlight that other brands typically offer limited or no faucet options for their bathtubs.

Watch: Luxury Faucet Options for Your Walk-In Tub, Voted Best/Safest 2020 | Ella’s Bubbles with chapters and a full transcript.

Chapters in this video
  1. 0:00 Considering Your Personal Needs The video discusses important factors to consider when choosing an Ella's Bubbles walk-in tub, including personal needs and mobility.
  2. 0:40 Measuring for Proper Tub Fit The video explains how to take shoulder, hip, and overall body measurements to ensure the walk-in tub fits properly.
  3. 2:26 Home Accommodation and Placement The video advises checking door widths and hallways to ensure the chosen tub will fit into the home and bathroom.
  4. 4:17 Ensuring Proper Water Supply The video recommends having a maximum capacity water heater and three-quarter inch supply lines for the walk-in tub.
  5. 4:47 Designing Your Walk-In Tub The video details how to choose jetting packages, including air, hydro, and MicroBubble therapy, and other innovative features.
  6. 6:15 Adding Optional Accessories The video showcases various accessories like heated seats, digital controls, headrests, and a four-fold glass screen.
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.
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.

Common Questions

Which Ella walk-in tub is the best one for me?
The best tub is the one whose seat width, soaking depth and length match your seated measurements and whose door fits your bathroom. Measure your hips, shoulders and head-to-feet length while seated, then compare those numbers to each model's specifications. Your Ella dealer or the team at (800) 480-6850 can help match the numbers to a model.
Which walk-in tub is best for a tall bather?
For a bather around six feet or taller, the Big4One and the ShaK are built with long seats and long interiors. The ShaK is the largest single-seat walk-in tub Ella makes, at 36 inches by 72 inches with an extra-wide 28 inch seat, and Ella's video shows bathers up to 6 feet 10 inches fitting comfortably.
Is a bigger walk-in tub always the better choice?
No. The extra-large tubs with very long seats are designed for taller bathers, and that same length can make them uncomfortable for an average or shorter person. Choose the tub whose seat and interior match your own measurements.
How do I know if the seat will be wide enough for me?
Sit in a chair and measure across your hips, then choose a tub whose seat is wider than that number. Ella seat widths run from 19 inches on the Petite and Transfer26 to 29 inches on the TransferXXL, and the seat width for every model is listed in the seat sizes guide.
Does Ella publish a bather weight limit for its tubs?
Ella's Bubbles does not publish a single bather weight limit across the lineup, because fit decides the tub rather than weight. Every shell is reinforced with a stainless steel frame that carries the load to the floor, and where a rated capacity has been quoted for an individual model it runs far above typical bather weights. Ask your Ella dealer or the team at (800) 480-6850 for the figure that applies to a specific model.
What makes an Ella independent foot massage different?
The buyer's guide video explains that an Ella tub with independent foot massage and full body hydro massage uses two separate pumps, one for the seat jets and one for the foot jets. Each side has its own intensity control dial, so you can run full power to just your feet or to your entire body.

Related guides

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