Standard Bed Sheet Sizes: A Complete Guide
The other measurement included for fitted sheet size is depth. Because mattresses are made in standard sizes but vary in thickness, fitted sheets use a measurement that flat sheets don’t.
It’s called “pocket depth,” and it ensures a snug fit with mattresses that have standard, deep, and extra deep thickness.
Keep in mind that beds with mattress toppers and pillow-tops will likely need a deep pocket or extra deep pocket fitted sheets.
Fitted Sheet Pocket Depths:
- Standard pocket: 7″ to 9″ deep
- Deep pocket: 10″ to 13″ deep
- Extra deep pocket: 14″ to 22″ deep
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