Kilocalorie to Kilojoule Converter
無料エネルギー換算ツール, ジュール、カロリー、キロワット時、BTUを瞬時に換算
1Kilocalorie=4.184Kilojoule
1 Kilojoule = 0.2390057361 Kilocalorie
Kilocalorie
- Symbol
- kcal
- System
- Metric/Imperial
- Dimension
- Various
Kilojoule
- Symbol
- kJ
- System
- Metric/Imperial
- Dimension
- Various
Quick Reference Table
| Kilocalorie | Kilojoule | Kilojoule | Kilocalorie |
|---|---|---|---|
| 1 | 4.184 | 1 | 0.2390057361 |
| 2 | 8.368 | 2 | 0.4780114723 |
| 3 | 12.552 | 3 | 0.7170172084 |
| 5 | 20.92 | 5 | 1.1950286807 |
| 10 | 41.84 | 10 | 2.3900573614 |
| 25 | 104.6 | 25 | 5.9751434034 |
| 50 | 209.2 | 50 | 11.9502868069 |
| 100 | 418.4 | 100 | 23.9005736138 |
| 500 | 2092 | 500 | 119.5028680688 |
| 1000 | 4184 | 1000 | 239.0057361377 |
Conversion Formula
Kilojoule = Kilocalorie × 4.184
Kilocalorie = Kilojoule × 0.2390057361
Factors are from BIPM SI brochure and NIST SP 811, stored unrounded and computed via a base unit. Reverse factor is 1 ÷ 4.184.
How to convert Kilocalorie to Kilojoule
Multiply the value in kilocalorie by 4.184 to get kilojoule. For example, 5 Kilocalorie = 20.92 Kilojoule. All results in the エネルギー converter update instantly as you type, so you can see every unit at once without manual math.
Common mistakes
Do not round the factor to 4.18 too early — keep full precision until the final display. For エネルギー, always verify critical calculations (medicine, engineering) with a second source.
FAQ
- How many Kilojoule in 1 Kilocalorie?
- 1 Kilocalorie = 4.184 Kilojoule.
- How many Kilocalorie in 1 Kilojoule?
- 1 Kilojoule = 0.2390057361 Kilocalorie.
- What is the source?
- BIPM/NIST via OmniConverter base-unit engine. Source table and formula above are exact.
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