Sheet & Mattress Sizes
Understanding your mattress size is essential when selecting the right sheets for a perfect fit. To make it easier, we’ve outlined the various mattress sizes—from largest to smallest—and the sheet dimensions that pair best with each. The following measurements are shown in length x width (x depth/height, when a third dimension is included). All are in inches.
Most Common Sheet & Mattress Sizes
| Mattress Type | Fitted Sheet Dims. (L x W x D) |
Flat Sheet Dims. (L x W) |
Pillowcase Dimensions (L x W) |
|---|---|---|---|
| California King | 85" x 73" x 16" | 111" x 114" | 41" x 21" |
| King | 80" x 78" x 16" | 110" x 114" | 41" x 21" |
| King Split | 80" x 39" x 16" | 104" x 114" | 41" x 21" |
| Queen | 80" x 60" x 16" | 102" x 104" | 31" x 21" |
| Full/Double | 75" x 54" x 16" | 104" x 94" | 31" x 21" |
| Twin XL | 80" x 39" x 16" | 104" x 75" | 31" x 21" |
| Twin | 75" x 39" x 16" | 104" x 75" | 31" x 21" |
| Toddler | 52" x 28" x 8" | 60" x 45" | 31" x 21" |
| Crib | 52" x 28" x 4" | N/A | 30" x 20" |
Mattress Thickness
When choosing the perfect set of sheets for your bed, knowing how tall your mattress is will help you determine the proper height/depth dimension. While standard mattresses range from 10-12”, there are five mattress depths you are most likely to encounter. Sleepfoundation.org defines these as:
1. Extra Thick/Deep: 14" or more
2. Thick or Deep Pocket: 12"-14"
3. Standard: 10"-12"
4. Slim: 8"-10"
5. Low Profile: 8" or less
Mattresses are comprised of multiple layers; there is often a comfort layer on the top that is 2"-3" thick, a base layer that is 6"-8" thick, and a transition layer that is 1"-2" thick. Together, these layers make up the height or depth of your mattress.
Choosing the Right Sheets for Your Mattress Size & Thickness
Choosing the right sheets starts with understanding your mattress dimensions and thickness. By knowing these key details, you can ensure a snug fit, optimal comfort, and a polished look for your bed. Whether it’s a deep-pocket sheet for a thicker mattress or a standard fit for a more traditional size, the right sheets make all the difference in your sleep experience. Take the time to measure and match, and you’ll enjoy restful nights on a comfortable and luxurious-feeling bed.