| Crib Mattress | Baby bed | 28" | 52" |
| Twin Mattress | Single | 39" | 75" |
| Twin X-Long Mattress | Extra Long Single | 39" | 80" |
| Double Mattress | Full | 54" | 75" |
| Queen Mattress | Queen | 60" | 80" |
| Standard or Eastern King Mattress | King | 76"-78" (widest) |
80" |
| California King Mattress | Western King | 72" | 84" (longest) |