Measure twice
Find your size.
Measure the inside of your bed frame, not your old mattress, which may have sagged. Then round down to the nearest size below.
| Width | Name | 72″ long · 1829 mm | 75″ long · 1905 mm | 78″ long · 1981 mm |
|---|---|---|---|---|
| 30″ · 762 mm | Single | 72 × 30 | 75 × 30 | 78 × 30 |
| 36″ · 915 mm | Single | 72 × 36 | 75 × 36 | 78 × 36 |
| 42″ · 1067 mm | Diwan | 72 × 42 | 75 × 42 | 78 × 42 |
| 48″ · 1219 mm | Diwan | 72 × 48 | 75 × 48 | 78 × 48 |
| 60″ · 1524 mm | Queen | 72 × 60 | 75 × 60 | 78 × 60 |
| 66″ · 1676 mm | King | 72 × 66 | 75 × 66 | 78 × 66 |
| 72″ · 1829 mm | King | 72 × 72 | 75 × 72 | 78 × 72 |
4–5″
Kids’ beds, spare beds and hostels
6″
Everyday use for most adults
8″
Extra cushioning and a deeper feel
10″
The most plush, hotel-like comfort
Taller than 5′10″? Choose a 75″ or 78″ length so your feet do not hang off the end.