Cot Size Bed Dimensions are all over the place. The major sizes are 28" x 77", 25" x 77", 32" x 82", 40" x 85", 30" x 75", 30" x 72" and 34" x 72". These are Cot bed measurements. Cot Mattress depths can vary from just an inch to a few inches to 6 inches or more Many times, actual cot mattress dimensions will vary by one or two inches, usually smaller.

Metric to U.S. Conversion
For measuring purposes, the exact conversion is as follows:

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