To meet astm safety regulations crib mattresses must fit properly inside usa standard full size cribs and toddler beds.
Standard crib mattress size us.
The minimum size is 27 1 4 x 51 5 8 with a thickness not exceeding 6 inches.
Crib infant bed dimensions.
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.
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Give or take a little all the mattresses on this list generally follow these standard dimensions.
By law the dimensions of a standard size crib mattress should measure at least 51 5 8 inches by 27 1 4 inches and be no more than 6 inches thick.
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A full size crib mattress must be at least 27 1 4 inches wide 51 1 4 inches long and no more than six inches thick.
The consumer products safety commission cpsc requires all full size baby crib mattresses to be at least 27 and inches in width by 51 and inches in length with a maximum thickness of six inches.
Minimum standard crib mattress dimensions are 27 1 4 wide x 51 5 8 long.
Measuring 27 x 52 a crib or toddler mattress is just the right size for your baby s first bed.
The consumer products safety commission defines the standard size for a full size baby crib as 28 inches wide by 52 3 8 inches long plus or minus 5 8 inch for both width and length 2 5 at a minimum the mattress should be 27 1 4 inches wide by 51 1 4 inches long and it should be no thicker than 6 inches.
It s important to measure the inside dimensions of your crib to ensure that it meets these safety standards.
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At these dimensions the standard crib mattress will fit safely in a full size crib which can have an interior width of between 27 3 8 inches and 28 5 8 inches and an interior length of between 51 3 4 inches to 53 inches.
All our size charts are guidelines.