What size walk-in tub do I need for my height, short or tall?

There is no single walk-in tub size for a short person or a tall one, because Ella matches a tub to three seated body measurements rather than to standing height: your hip width, your shoulder width, and the straight-line distance from the bottom of the backrest to the back of your knee. Those numbers are compared with the seat width, seat length and interior length of each model, which is why Seat sizes and soaking depth: how to measure yourself for a comfortable fit is the place to begin. As a starting point, a bather around five feet tall compares the lower 35 inch platform models first, and a bather around six feet or taller compares the long-seat models and the full-length lay-down tub.

Why Height Alone Never Picks the Tub

Two people of the same height can carry very different seated measurements, and the seat is what holds you in a walk-in tub. Ella's measuring guidance asks you to sit in a chair facing a wall, in a relaxed position, and take three measurements:

1. Your hips while seated. The tub seat must be wider than this number, so it rules models in or out before anything else.
2. Your shoulder width while seated, so the tub you choose has the proper shoulder width for your body size.
3. The distance in a straight line from the bottom of the backrest to the back of your knee. This is the number to compare with the seat length, and it decides whether a long seat will support your legs or leave you perched on its front edge.

Be exact with these figures and compare them with the drawings and specifications on each product page, because different body sizes require different size tubs. Height is only a shortcut to the right group of models to look at first.

Models to Compare for a Shorter or a Taller Bather

The table runs from the most compact seated tubs to the longest, using the figures published in Ella's size guides and spec sheets. A cell marked not listed means the figure is not in the published guides, so ask for the spec sheet rather than estimating.

Read the table from both ends. For a bather around five feet, the Petite, Elite and Royal share the lower 35 inch platform, and the Elite pairs that lower seat height with a wider 22 inch seat, while the Flow adds the shortest seat length listed at 13 inches, which suits a shorter upper leg. Ella's size comparison places its standard-size models, with seats from 19 inches and capacities of 65 to 107 gallons, as the range for average and shorter bathers. For a bather around six feet or taller, the long-seat Big4One and the ShaK are the tubs to compare first, and the LayDown72 is the alternative if you would rather lie down than sit. The ShaK seat is 27 inches long, so your backrest-to-knee measurement needs to reach 27 inches for that seat to support you properly. The Deluxe and Ultimate sit between the two groups, and the Deluxe's 46.5 inch interior length is what gives it the extra legroom for average to taller bathers.

What the Figures Mean for Soaking Depth

How deep the bath feels is not set by the overall height printed on the spec sheet. It comes from three figures: 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 Deluxe stands taller than the Elite, but that says little about where the water line lands at your shoulders. What matters is how far the interior extends beyond the seat for your legs and how far the overflow sits above the top of the seat. Compare those three figures model by model rather than the overall height, and remember that on a seat longer than your upper leg you will not sit back against the backrest, which changes how the water line feels.

Why Bigger Is Not Better for a Shorter Bather

It is natural to assume that more tub means more comfort. Ella's own guidance says otherwise: the extra-large tubs with very long seats are designed for taller bathers, and they can be uncomfortable for an average or shorter person. A seat that is longer than your upper leg, or an interior that is longer than your reach from head to feet, does not hold you the way a well matched tub does. What Size Walk-In Tub Is Best for a Five Foot Person? works through the compact models for the shorter bather, and What is the smallest walk-in tub for a petite bather? separates the smallest footprint, the Mobile at 26 by 45 inches, from the smallest seat, the 19 inch seat on the Petite and Transfer26, because a small footprint and a small seat do not always come together.

What This Means for Your Bathroom

Once your body measurements point to a group of models, the bathroom decides between them. A standard bathtub alcove is commonly 60 inches long, and Ella tubs shorter than 60 inches include an extension panel that closes the gap between the tub and the end wall, so a 52 inch model such as the Petite or Elite goes into a 60 inch alcove and still looks finished. A 72 inch tub such as the ShaK or LayDown72 needs a longer space. Compare your opening with the actual size on the spec sheet rather than the nominal size in the name: the Petite is marketed as a 28 inch tub but is 27.5 inches wide, and the Elite is 30 inches wide. How big is a standard bathtub, and how do you measure yours? covers the alcove, the window sill height and the doorways the crated tub must pass through on delivery day. Then share your seated measurements and your room measurements with your Ella dealer or the team at (800) 480-6850, and they can match them to a model that fits both you and the bathroom.

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