Answer
What is the ADA toilet height?
17 to 19 in from the floor to the top of the seat (2010 ADA Standards, 604.4). A standard toilet is about 15 in (Mr. Rooter), so it needs a riser of about 2–4 in to reach the range.
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Standard, comfort height and ADA
| Type | Height to top of seat | Source |
|---|---|---|
| Standard toilet | about 15 in | Mr. Rooter |
| Comfort height | 17–19 in | Mr. Rooter |
| ADA range | 17–19 in | ADA 604.4 |
Measure the right thing
The Standards measure to the top of the seat, not the rim of the bowl. Measure with the seat down, from the floor beside the bowl.
More questions
Is a comfort-height toilet ADA height?
Comfort-height toilets are usually 17–19 in, the same range as the Standards. Check the maker’s figure includes the seat.
What about children’s toilets?
The Access Board’s advisory figures for children are lower: 11–17 in, depending on age.
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