Average Baby Crib Dimensions

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.

Average baby crib dimensions. 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. Top of crib mattress to top of side rail. Crib height off floor floor to bottom of mattress support. 27 1 4 x 52 inches and not more than 6 inches thick usually thinner standard full size crib dimensions interior.

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

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