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Whether you sleep alone or with a partner, choosing the right mattress size can have a powerful effect on the way you sleep. To help you get informed on the exact measurements of each size of mattress, and ensure that the mattress type you love will offer you enough space, check out the list below of standard mattress sizes and corresponding dimensions.
Twin Mattress Size: 38" x 74"
The Twin mattress size is the perfect first bed after a crib and offers enough space for a small child to grow into.
*Or 39" x 75", depending on the manufacturer
Twin XL Mattress Size: 38" x 80"
The popular choice for dorm rooms, a Twin XL adds an extra six inches to the length of a Twin. Designed especially for tall adults or teens who need a bed that will let them comfortably stretch out without taking up too much bedroom space.
*Or 39" x 80", depending on the manufacturer
Full Mattress Size: 54" x 75"
Sixteen inches wider than the Twin, the Full mattress size is one of the most popular starter beds for adult individuals, and also offers the minimum dimensions needed for a couple to sleep comfortably.
*Or 53" x 74", depending on the manufacturer
Queen Mattress Size: 60" x 80"
The Queen mattress size is often recommended for the individual sleeper who prefers extra space and the couples who don’t.
Eastern King Mattress Size: 76" x 80"
The widest mattress on the market, the Eastern King offers plenty of stretching room for those who share a bed with a partner.
California King Mattress Size: 72" x 84"
The longest mattress on the market, the California King is perfect for tall individuals who share a bed with a partner.
Split Mattress Sizes: 76" x 80"; 72" x 84"
A mattress with a split design – which divides a mattress in half – comes in two sizes: the Eastern King Split and the California King Split. The split makes it easy to share a bed and still allow each individual to keep their own preferred comfort levels.
For more details, check out our detailed Mattress Size Guide .