Answer: This is probably the most asked question of any customer. Most people know the basic mattress size names, but not exactly how big each size is. See the below chart to assist you when planning you next mattress purchase.
| Size Name | Width (inches) |
Length (inches) |
| Twin | 39 | 74 |
| Full | 54 | 74 |
| Queen | 60 | 80 |
| King | 76 | 80 |
| California King | 72 | 84 |
| Twin Extra Long | 39 | 80 |
| Full Extra Long | 54 | 80 |
R&S Mattress also offers custom size mattresses. [1]