Standard US mattress sizes
| Size | Inches (W x L) | Cm (W x L) |
|---|---|---|
| Twin | 38 x 75 | 97 x 191 |
| Twin XL | 38 x 80 | 97 x 203 |
| Full | 54 x 75 | 137 x 191 |
| Full XL | 54 x 80 | 137 x 203 |
| Queen | 60 x 80 | 152 x 203 |
| King | 76 x 80 | 193 x 203 |
| California King | 72 x 84 | 183 x 213 |
Who each size fits
| Size | Best for |
|---|---|
| Twin | One child or small adult |
| Twin XL | Tall teens, dorms |
| Full | One adult or small guest room |
| Queen | Couples, most adults |
| King | Couples wanting space |
| California King | Tall sleepers |
How to choose
Add 6 in of length for sleepers over 6 ft. Check the matching bed frame dimensions and use a steel measuring tape on your room.
Frequently asked questions
What is the difference between King and California King?
King is wider (76 in); California King is longer (84 in).
Is a Full the same as a Double?
Yes, in the US a Full is 54 x 75 in.
What size is a Queen in cm?
About 152 x 203 cm.