Mattress Sizes:

39" wide x 75" longTwin Mattress......................
39" wide x 80" longTwin XL Mattress...................
54" wide x 75" longFull Mattress........................
54" wide x 80" longFull XL Mattress....................
60" wide x 80" longQueen Mattress....................
76" wide x 80" longKing Mattress.......................
72" wide x 84" longCal King Mattress..................
78" wide x 80" longSplit King Mattress (2 twin XL)...

 

Metric to U.S. Conversion:

For measuring purposes, the exact conversion is as follows:

1 inch is equal to exactly 2.54 centimeters.
1 foot is equal to 30.48 centimeters.
1 meter is equal to 39.37 inches.