Standard Baby Crib Dimensions

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

Standard baby crib dimensions.

28 x 52 3 8 inches plus or minus around 5 8 inch. 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. Cribs are commonly rectangular in shape with a small mattress placed at the bottom. A crib or an infant bed is a small enclosed bed for a baby or small child to sleep in.

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. The adjustable railing must be 26 inches above the bottom mattress at its maximum height and 9 inches above the mattress support at its lowest. Since the early 20th century cribs have been enclosed and elevated from the ground to protect an infant from the elements. According to u s regulations a standard full size crib is 30 inches wide and 54 inches long.

A standard crib mattress is 52 by 28 inches. Standard crib mattress dimensions. Top of crib mattress to top of side rail. Crib height off floor floor to bottom of mattress support.