• The Twin Mattress Size (Twin Size Mattress Dimensions)
  • Deciding what type of mattress is best for you
  • MATTRESS - Purchase the top rated twin mattress at the lowest price
  • Mattress Size Chart and Mattress Dimensions - Sleep Train

Mattress Bags & Furniture Covers - Size: Twin - Dimensions: 40" x 14" x 92"


The standard twin size mattress dimensions are 39 x 75 inches (99 x 190 cm), and thicknessvaries, but is usually 8 to 10 inches (20 to 25 cm) thick.

A twin mattress is the smallest possible mattress size, other than a crib-sized mattress. Twin mattress dimensions are approximately 38 inches wide by 75 inches long. Both twin and full sizes are approximately 75 inches long, which may be too short for some adults, especially men.


Twin Mattress - Rooms To Go Kids