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.
What are the dimensions of a baby crib mattress.
Toddler beds or cribs are designed specifically for infants and toddlers with dimensions that work for early stage growth.
Coming in two sizes.
Internal dimensions of standard size baby cribs are regulated by the government so they are approximately the same for all full size cribs all standard size crib mattresses fit into all standard size cribs.
Due to different materials frame designs and style the external dimensions of standard size baby cribs can vary by a few inches even if they belong to the same crib type.
Standard baby crib mattresses are not all sized identically but instead range in width from 27 5 8 inches to 28 5 8 inches and range in length from 51 3 4 inches to 53 inches.
Sealy baby flex cool 2 stage airy dual firmness waterproof standard toddler baby crib mattress 51 7 x 27 3 4 7 out of 5 stars 425 87 99 87.
The standard crib and the mini crib toddler beds must be paired with equivalent accessories for each to ensure safety.
Shop for crib size mattress dimensions online at target.