Measure the Tub Edge First: How to Compare Shower Chairs on Seat Width, Leg Height, and Back Support

A shower chair is a seat you set inside the tub or on the shower floor so your parent can sit while bathing. Most of the decision comes down to fit, not to the look of the listing. Start with measurements, then check every chair against them.

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Measure the tub and the floor

Measure the width of the tub rim or shower threshold, the depth from the rim to the tub floor, and the space where the seat will sit. Write these numbers down before you open a single listing. Many chairs are sized for a particular tub, and some are made for a walk-in shower with no lip at all. A chair that does not sit flat will rock, and the rocking is what you are trying to avoid.

Compare the seat, the legs, and the back

Check the seat width against the space needed to sit down and stand up without bumping the wall. Compare leg height, since adjustable legs let you set the seat level with the floor of the tub. Look at whether the legs have caps or pads that grip the tub floor. Decide whether you need a back, arms, or both. Arms help only if they clear the tub wall and do not shift when pushed.

Check the weight rating

The listing should show a weight limit. Read it, then compare it with the rating printed on the chair itself. The two should agree. Ask whether the chair is designed for use inside a tub or a shower, and whether the maker says it must sit on a flat surface only. Do not assume a chair is suitable because it looks sturdy.

Test before you commit

If you can, sit in the chair in the same tub or shower it will use, with a helper standing by. Check whether the seat clears the wall, whether the legs stay put, and whether water pools under or beside it. If you cannot test in person, ask the seller whether returns are accepted once the chair is opened, and get that rule in writing before you pay.

Ask the questions that decide it

Before you buy, ask the seller or supplier four things. Does the listing match the chair you will receive? What is the return window? Who answers if a leg breaks? Is a replacement part sold separately? If the chair comes through a loan program rather than a store, ask who owns it and who takes it back. Our Local Help page lists where to start for St. Louis area questions.