Question: what size is a california king size mattress
Answer: 52 cm × 198 cm 60 in × 78 in 152 cm × 191 cm 60 in × 75 in 158 cm x 198 cm 62 in x 78 in Expanded , Super , or Olympic queen 66 in × 80 in 168 cm × 203 cm King 76 in × 80 in 193 cm × 203 cm or 78 in 198 cm square 152 cm × 198 cm 60 in × 78 in 183 cm × 203 cm 72 in × 80 in 167 cm × 203 cm 66 in × 80 in 160 cm × 200 cm 63 in × 79 in 170 cm × 195 cm 67 in × 77 in 182 cm × 212 cm 72 in × 83 in 183 cm × 198 cm 72 in × 78 in 183 cm × 191 cm 72 in × 75 in 193 cm x 203 cm 76 in x 80 in California king or King long 72 in × 84 in 183 cm × 213 cm 72 in × 84 in 183 cm × 213 cm 80 in × 80 in 203 cm × 203 cm 170 cm × 205 cm 67 in × 81 in Grand king , Super king , Athletic King or Texas king 80 in × 98 in 203 cm × 249 cm 180 cm × 200 cm 71 in × 79 in 203 cm × 203 cm 80 in × 80 in 183 cm × 203 cm 72 in × 80 in 180 cm × 200 cm 71 in × 79 in 194 cm × 205 cm 76 in × 81 in