31卡等於多少千卡？卡（亦稱“卡”，符號為：cal）和千卡（亦稱“千卡”，符號為：kcal）是能量單位，它們之間的換算關係是：1卡等於0.001千卡。要將31卡轉換為千卡，我們可以透過卡與千卡換算比率來計算：
31 卡 = 31 * 0.001 千卡 = 0.031 千卡
因此，31卡換算成千卡的答案是31卡等於0.031千卡。
了解更多：31千卡等於多少卡? | 1卡等於幾千卡? | 1千卡等於幾卡?
| 卡 (cal) | 千卡 (kcal) |
|---|---|
| 31.1 cal | 0.0311 kcal |
| 31.2 cal | 0.0312 kcal |
| 31.3 cal | 0.0313 kcal |
| 31.4 cal | 0.0314 kcal |
| 31.5 cal | 0.0315 kcal |
| 31.6 cal | 0.0316 kcal |
| 31.7 cal | 0.0317 kcal |
| 31.8 cal | 0.0318 kcal |
| 31.9 cal | 0.0319 kcal |
| 32 cal | 0.032 kcal |
| 32.1 cal | 0.0321 kcal |
| 32.2 cal | 0.0322 kcal |
| 32.3 cal | 0.0323 kcal |
| 32.4 cal | 0.0324 kcal |
| 32.5 cal | 0.0325 kcal |
| 32.6 cal | 0.0326 kcal |
| 32.7 cal | 0.0327 kcal |
| 32.8 cal | 0.0328 kcal |
| 32.9 cal | 0.0329 kcal |
| 33 cal | 0.033 kcal |
| 33.1 cal | 0.0331 kcal |
| 33.2 cal | 0.0332 kcal |
| 33.3 cal | 0.0333 kcal |
| 33.4 cal | 0.0334 kcal |
| 33.5 cal | 0.0335 kcal |
| 33.6 cal | 0.0336 kcal |
| 33.7 cal | 0.0337 kcal |
| 33.8 cal | 0.0338 kcal |
| 33.9 cal | 0.0339 kcal |
| 34 cal | 0.034 kcal |
| 卡 (cal) | 千卡 (kcal) |
|---|---|
| 34.1 cal | 0.0341 kcal |
| 34.2 cal | 0.0342 kcal |
| 34.3 cal | 0.0343 kcal |
| 34.4 cal | 0.0344 kcal |
| 34.5 cal | 0.0345 kcal |
| 34.6 cal | 0.0346 kcal |
| 34.7 cal | 0.0347 kcal |
| 34.8 cal | 0.0348 kcal |
| 34.9 cal | 0.0349 kcal |
| 35 cal | 0.035 kcal |
| 35.1 cal | 0.0351 kcal |
| 35.2 cal | 0.0352 kcal |
| 35.3 cal | 0.0353 kcal |
| 35.4 cal | 0.0354 kcal |
| 35.5 cal | 0.0355 kcal |
| 35.6 cal | 0.0356 kcal |
| 35.7 cal | 0.0357 kcal |
| 35.8 cal | 0.0358 kcal |
| 35.9 cal | 0.0359 kcal |
| 36 cal | 0.036 kcal |
| 36.1 cal | 0.0361 kcal |
| 36.2 cal | 0.0362 kcal |
| 36.3 cal | 0.0363 kcal |
| 36.4 cal | 0.0364 kcal |
| 36.5 cal | 0.0365 kcal |
| 36.6 cal | 0.0366 kcal |
| 36.7 cal | 0.0367 kcal |
| 36.8 cal | 0.0368 kcal |
| 36.9 cal | 0.0369 kcal |
| 37 cal | 0.037 kcal |