Standard Crib Dimensions Us

Crib dimensions are dictated by astm and federal law.

Standard crib dimensions us. 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. These dimensions are widely accepted to be the standard across the us so this size will fit with any standard crib you bring home for your young one. The full size baby crib standard currently incorporates astm f1169 19 standard consumer safety specification for full size baby cribs approved on march 15 2019 as the mandatory cpsc standard. The dimensions in the crib standard require cribs to have interior dimensions of 28 wide and 52 3 8 long.

27 1 4 x 52 inches and not more than 6 inches thick usually thinner standard full size crib dimensions interior. Sizes may vary with brands models and manufacturers. Mattresses are designed to be slightly smaller to allow them to fit within these dimensions. As you might guess from the name the standard crib mattress is the typical mattress size for baby cribs.

Detail for safety reasons crib mattresses are firmer than adult mattresses and they fit most babies until toddlerhood though exact timing is different for every child. 28 x 52 3 8 inches plus or minus around 5 8 inch. 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.

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. Crib height off floor floor to bottom of mattress support. Standard crib mattress dimensions. Top of crib mattress to top of side rail.

These standard crib dimensions can vary by plus or minus 5 8. Astm f1169 19 specifies performance requirements and test procedures to determine the structural integrity of full 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.