US Mattress Sizes vs UK
By Kaiser Khan, Editor Updated First published
Desk research from official sources. Not a product test or medical advice. How we check facts.
Saved on this browser only. How saving works
In short
US mattress names do not match UK footprints. Typical sizes include Twin at about 97 × 191 cm, Full 137 × 191 cm, Queen 152 × 203 cm and King 193 × 203 cm. A US Queen is near UK King width but longer. A US King is wider than a UK Super King. Compare centimetres, not names alone.
About 1 minutes to read
How it works
| Size name | Width (cm) | Length (cm) | Width (in) | Length (in) |
|---|---|---|---|---|
| Twin | 97 | 191 | 38 | 75 |
| Twin XL | 97 | 203 | 38 | 80 |
| Full (Double) | 137 | 191 | 54 | 75 |
| Queen | 152 | 203 | 60 | 80 |
| King | 193 | 203 | 76 | 80 |
| California King | 183 | 213 | 72 | 84 |
Name mix-ups that cause returns
| US name | Typical cm | Nearest UK name | UK typical cm |
|---|---|---|---|
| Twin | 97 × 191 | Single | 90 × 190 |
| Full | 137 × 191 | Double | 135 × 190 |
| Queen | 152 × 203 | King | 150 × 200 |
| King | 193 × 203 | Super King | 180 × 200 |
| California King | 183 × 213 | (no exact UK twin) | — |
Related BedGuide entries
Frequently asked questions
Is a US Queen the same as a UK King?
Close in width but not identical. A US Queen is about 152 × 203 cm. A UK King is typically 150 × 200 cm. Sheets and frames labelled for one market may not fit the other cleanly.
Is a US King bigger than a UK Super King?
Yes in width. A US King is about 193 × 203 cm. A UK Super King is typically 180 × 200 cm. California King trades some width for extra length.