Average Baby Crib Dimensions

Because of this variation it s important to look for the recommended mattress size listed on the crib s box and or assembly instructions.

Average baby crib dimensions.

Top of crib mattress to top of side rail. 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. According to the consumer products safety commission a standard or regular crib mattress should be no more than 6 inches thick and measure at least 27 1 4 inches wide and 51 1 4 inches long. 28 x 52 3 8 inches plus or minus around 5 8 inch.

Standard baby crib size the cpsc requires that full size baby cribs have a standard width of 28 inches and a standard height of 52 and inches but with a pull or minus factor of inches. Regulations define a full size crib as one whose inside dimensions are 28 5 8 inches 71 1 6 centimeters in width and 52 3 8 5 8 inches 133 1 6 centimeters in length non full size cribs may be larger or smaller but must be rigid and must not have mesh sides. 27 1 4 x 52 inches and not more than 6 inches thick usually thinner standard full size crib dimensions interior. Standard crib mattress dimensions.

As you might guess from the name the standard crib mattress is the typical mattress size for baby cribs.