Standard Mattress Sizes
MATTRESS TYPE: DIMENSION IN INCHES
Crib 28" x 52"
Twin / Single 39" x 75"
Full / Double 54" x 75"
Long Twin* 39" x 80"
Queen Size 60" x 80"
King 76" x 80"
California King 72" x 84"
* NOTE: Most college dorms use long twins
Mattress Depths
There is no standard mattress depth. Some mattresses are 9-10 inches deep, but many pillow top mattresses measure 15-16 inches in depth, or even more. Box springs and other bed components can make the mattress even higher.
