| Denomination | USA & Canada | UK | Europe (Continental) | Asia (Thailand) |
| Mini Single | | 30 × 75 (76.2 × 191) | | |
| Twin/Single | 39 × 75 (99 × 191) | 36 × 75 (91 × 191) | 35 × 79 (90 × 200) | 42 × 78 × 22 (107 × 198 × 56) |
| Twin/Single XL | 39 × 80 (99 × 203) | | | |
| Double/Full | 54 × 75 (137 × 191) | 54 × 75 (137 × 191) | 55 × 79 (140 × 200) | 48 × 78 × 22 (122 × 198 × 56) |
| Double/Full XL | 54 × 80 (137 × 203) | | | |
| Queen | 60 × 80 (152 × 203) | | 63 × 79 (160 × 200) | |
| Olympic/Expanded Queen novelty size by Simmons | 66 × 80 (167 × 203) | | | |
| California Queen (primarily a wood framed waterbed size, becoming obsolete) | 60 × 84 (152 × 213) | | | |
| King | 76 × 80 (193 × 203) | 60 × 78 (152 × 198) | 71 × 79 (180 × 200) | 72 × 78 × 22 (183 × 198 × 56) |
| California King | 72 × 84 (183 × 213) | | | |
| Super King | | 70.87 × 78.74 (180 × 200) | | |
| Grand King (novelty size by Select comfort air beds) | 80 × 98 (203 × 249) | | | |
