What Size Is A Crib Mattress. 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. The standard mattress being sold is usually a little less than 52 x 28 inches in length and width.
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. The standard mattress being sold is usually a little less than 52 x 28 inches in length and width. As long as the mattress you bought fits the crib that you have that should be just about right.
The standard mattress being sold is usually a little less than 52 x 28 inches in length and width.
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. As long as the mattress you bought fits the crib that you have that should be just about right. This size fits the common crib. 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.