Standard Size Of A Baby Crib Mattress

A full size crib mattress must be at least 27 1 4 inches wide 51 1 4 inches long and no more than six inches thick.

Standard size of a baby crib mattress.

4 3 out of 5 stars 3506 ratings based on 3506 reviews current price 39 98 39. The consumer products safety commission cpsc requires all full size baby crib mattresses to be at least 27 and inches in width by 51 and inches in length with a maximum thickness of six inches. Standard baby crib and crib mattress sizes the safest size of baby cribs and crib mattresses is determined by the federal government. The consumer products safety commission defines the standard size for a full size baby crib as 28 inches wide by 52 3 8 inches long plus or minus 5 8 inch for both width and length 2 5 at a minimum the mattress should be 27 1 4 inches wide by 51 1 4 inches long and it should be no thicker than 6 inches.

At these dimensions the standard crib mattress will fit safely in a full size crib which can have an interior width of between 27 3 8 inches and 28 5 8 inches and an interior length of between 51 3 4 inches to 53 inches.