Average Baby Crib Dimensions

Top of crib mattress to top of side rail.

Average baby crib dimensions. 27 1 4 x 52 inches and not more than 6 inches thick usually thinner standard full size crib dimensions interior. 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. For cribs manufactured before june 28 2011 when new retroactive safety regulations were issued for full size cribs unless the seller has written proof that the crib meets the standard above retailers should destroy any full size crib with or without drop sides and should not resell it. 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.

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. Crib height off floor floor to bottom of mattress support. As you might guess from the name the standard crib mattress is the typical mattress size for baby 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 crib mattress dimensions.