The standard toilet seat size is based on the type of toilet you own.
Round toilet seat dimensions.
Oblong there are really only 2 sizes you need to concern yourself with.
Round or oblong or elongated.
If a manufacturer makes a bowl with different dimensions then they must provide a special seat this is known as a proprietary seat.
The round toilet is bulbous in shape and shorter from front to back.
The standard toilet dimension for rough ins is 12 inches but in some instances it may be 10 or 14 inches.
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The bowls have an equal radius as measured by the rough in measurements.
Any manufacturer s seats will fit any toilet manufacturers bowls if they are standard round or standard elongated.
Generally it is easy to tell just by looking whether you have a round or oblong shaped toilet.
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Round toilet seats appear as true circles or edge fewer toilets with a rounded front.
If the toilet bowl 18 5 19 inches are the size of an elongated toilet seat.
Kohler cimarron white watersense round chair height 2.
If the toilet bowl is 16 5 17 inches then you have round toilet seat dimensions.
Some manufacturers also make a third toilet bowl that is in between the two sizes.
Toilets toilet seats.
If it s around 18 in 46 cm long go with an elongated seat.
Start by measuring the seat from back to front.
In general an elongated bowl will be roughly 2 inches longer in the front than a round bowl.
American standard mainstream white watersense round chair height 2 piece toilet 12 in rough in size ada compliant item 291379.
Kohler rutledge white round slow close toilet seat.
The elongated toilet has a thinner profile but is longer from front to back.
A toilet typically needs at least 21 inches in front of it to pass most building codes.
For decades these have been the universal bowl shape before the elongated toilets came in.
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The exact measurements of a toilet are up to the manufacturer.
There are two types of toilets.
Each requires a different size toilet seat as one will not fit on the other.
For pricing and availability.
Round toilet seat dimensions pros cons.
Buy a standard round seat if the length is around 16 in 41 cm.
These days toilet seats come in standard sizes but measuring your seat before buying a replacement is still wise.
Standard toilet dimensions are typically between 28 30 deep roughly 20 wide between 27 32 high and have a rough in between 10 14.
Project source white round toilet seat.