Crib Mattress Dimensions. 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. Ikea also us 60 cm.
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. At least 27 1 4 inches by 51 5 8 inches and no more than 6 inches thick. 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.
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.
But for cribs the standard size isn t as simple. At least 27 1 4 inches by 51 5 8 inches and no more than 6 inches thick. A standard size crib mattress is a baby crib mattress with the following measurements. 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.