The most common reason bedding doesn't feel right is size, especially fitted sheets that pop off in the night. Two minutes with a tape measure avoids it.
How to measure your mattress
- Width and length: measure the top of the mattress from edge to edge.
- Depth (height): measure from the bottom seam to the top of the mattress. Include any topper or mattress pad you sleep on.
- Choose your fitted sheet: pick a pocket depth about 2 inches (5 cm) deeper than your mattress, so the elastic can tuck underneath. Too deep and the sheet will shift; too shallow and it will pop off.
Every Still & Soft product page lists the measured dimensions of each size in inches and centimeters, including the real pocket depth of fitted sheets.
Standard US mattress sizes
| Size | Mattress (inches) | Mattress (cm) |
|---|---|---|
| Twin | 38 × 75 | 97 × 191 |
| Twin XL | 38 × 80 | 97 × 203 |
| Full | 54 × 75 | 137 × 191 |
| Queen | 60 × 80 | 152 × 203 |
| King | 76 × 80 | 193 × 203 |
| California King | 72 × 84 | 183 × 213 |
Duvet covers, comforters and quilts
- Covers and comforters are usually sold as Full/Queen or King/Cal King. Check the exact dimensions on the product page.
- Duvet cover: choose the same size as your duvet insert (or up to 2 inches larger), so it fills the corners without bunching.
- For more overhang on a deep mattress, consider sizing up for comforters and quilts (for example, King on a Queen bed).
Not sure?
Email us your mattress measurements at support@stillandsoft.com and we'll tell you which size to choose. We reply within 1 business day.