42焦等於多少千焦？焦（亦稱“焦”，符號為：J）和千焦（亦稱“千焦”，符號為：kJ）是能量單位，它們之間的換算關係是：1焦等於0.001千焦。要將42焦轉換為千焦，我們可以透過焦與千焦換算比率來計算：
42 焦 = 42 * 0.001 千焦 = 0.042 千焦
因此，42焦換算成千焦的答案是42焦等於0.042千焦。
了解更多：42千焦等於多少焦? | 1焦等於幾千焦? | 1千焦等於幾焦?
| 焦 (J) | 千焦 (kJ) |
|---|---|
| 42.1 J | 0.0421 kJ |
| 42.2 J | 0.0422 kJ |
| 42.3 J | 0.0423 kJ |
| 42.4 J | 0.0424 kJ |
| 42.5 J | 0.0425 kJ |
| 42.6 J | 0.0426 kJ |
| 42.7 J | 0.0427 kJ |
| 42.8 J | 0.0428 kJ |
| 42.9 J | 0.0429 kJ |
| 43 J | 0.043 kJ |
| 43.1 J | 0.0431 kJ |
| 43.2 J | 0.0432 kJ |
| 43.3 J | 0.0433 kJ |
| 43.4 J | 0.0434 kJ |
| 43.5 J | 0.0435 kJ |
| 43.6 J | 0.0436 kJ |
| 43.7 J | 0.0437 kJ |
| 43.8 J | 0.0438 kJ |
| 43.9 J | 0.0439 kJ |
| 44 J | 0.044 kJ |
| 44.1 J | 0.0441 kJ |
| 44.2 J | 0.0442 kJ |
| 44.3 J | 0.0443 kJ |
| 44.4 J | 0.0444 kJ |
| 44.5 J | 0.0445 kJ |
| 44.6 J | 0.0446 kJ |
| 44.7 J | 0.0447 kJ |
| 44.8 J | 0.0448 kJ |
| 44.9 J | 0.0449 kJ |
| 45 J | 0.045 kJ |
| 焦 (J) | 千焦 (kJ) |
|---|---|
| 45.1 J | 0.0451 kJ |
| 45.2 J | 0.0452 kJ |
| 45.3 J | 0.0453 kJ |
| 45.4 J | 0.0454 kJ |
| 45.5 J | 0.0455 kJ |
| 45.6 J | 0.0456 kJ |
| 45.7 J | 0.0457 kJ |
| 45.8 J | 0.0458 kJ |
| 45.9 J | 0.0459 kJ |
| 46 J | 0.046 kJ |
| 46.1 J | 0.0461 kJ |
| 46.2 J | 0.0462 kJ |
| 46.3 J | 0.0463 kJ |
| 46.4 J | 0.0464 kJ |
| 46.5 J | 0.0465 kJ |
| 46.6 J | 0.0466 kJ |
| 46.7 J | 0.0467 kJ |
| 46.8 J | 0.0468 kJ |
| 46.9 J | 0.0469 kJ |
| 47 J | 0.047 kJ |
| 47.1 J | 0.0471 kJ |
| 47.2 J | 0.0472 kJ |
| 47.3 J | 0.0473 kJ |
| 47.4 J | 0.0474 kJ |
| 47.5 J | 0.0475 kJ |
| 47.6 J | 0.0476 kJ |
| 47.7 J | 0.0477 kJ |
| 47.8 J | 0.0478 kJ |
| 47.9 J | 0.0479 kJ |
| 48 J | 0.048 kJ |