King Bed dimensions
A US King mattress is 193 × 203 cm (76 × 80 in) — the widest standard US bed. Note: a UK King is smaller at 150 × 200 cm.
193 × 203centimetres
76 × 80inches
US Kingstandard
King size bed vs other standards
| Bed | Dimensions (cm) |
|---|---|
| US King | 193 × 203 |
| US Queen | 152 × 203 |
| UK Super King | 180 × 200 |
| UK King | 150 × 200 |
| EU 160×200 | 160 × 200 |
| UK Double | 135 × 190 |
| US Twin | 97 × 191 |
Bed names don't match across countries — buy bedding by centimetres, not by the name. IKEA uses continental EU sizes worldwide.
Frequently asked questions
How big is a King size bed?
A US King is 193 × 203 cm (76 × 80 inches).
Is a US King the same as a UK King?
No — a UK King is 150 × 200 cm, much narrower. A US King is closer to a UK Super King (180 × 200).