Kilocalories per hour to Watts
Type a value in Kilocalories per hour and get the result in Watts, calculated exactly.
100 Kilocalories per hour = 116.3 Watts
Precision
Exact factorThis result is exact.
Slide rule
Drag to scrub · arrow keys step · Shift × 10Paper tape
ConvertThemAll
- Your conversions print here.
0 lines · kept on this device only
Formula
W = kcal/h × 1.163
To convert Kilocalories per hour to Watts, multiply the value by 1.163.
Worked examples
- 1 kcal/h × 1.163 = 1.163 W
- 100 kcal/h × 1.163 = 116.3 W
- 50 kcal/h × 1.163 = 58.15 W
This factor is exact by definition.
Conversion table
| Kilocalories per hour (kcal/h) | Watts (W) |
|---|---|
| 1 | 1.163 |
| 2 | 2.326 |
| 3 | 3.489 |
| 4 | 4.652 |
| 5 | 5.815 |
| 6 | 6.978 |
| 7 | 8.141 |
| 8 | 9.304 |
| 9 | 10.467 |
| 10 | 11.63 |
| 15 | 17.445 |
| 20 | 23.26 |
| 25 | 29.075 |
| 30 | 34.89 |
| 40 | 46.52 |
| 50 | 58.15 |
| 60 | 69.78 |
| 70 | 81.41 |
| 75 | 87.225 |
| 80 | 93.04 |
| 90 | 104.67 |
| 100 | 116.3 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Watts to Kilocalories per hour
| Watts (W) | Kilocalories per hour (kcal/h) |
|---|---|
| 1 | ≈ 0.8598452 |
| 2 | ≈ 1.71969 |
| 3 | ≈ 2.579536 |
| 4 | ≈ 3.439381 |
| 5 | ≈ 4.299226 |
| 6 | ≈ 5.159071 |
| 7 | ≈ 6.018917 |
| 8 | ≈ 6.878762 |
| 9 | ≈ 7.738607 |
| 10 | ≈ 8.598452 |
| 15 | ≈ 12.89768 |
| 20 | ≈ 17.1969 |
| 25 | ≈ 21.49613 |
| 30 | ≈ 25.79536 |
| 40 | ≈ 34.39381 |
| 50 | ≈ 42.99226 |
| 60 | ≈ 51.59071 |
| 70 | ≈ 60.18917 |
| 75 | ≈ 64.48839 |
| 80 | ≈ 68.78762 |
| 90 | ≈ 77.38607 |
| 100 | ≈ 85.98452 |
Unit definitions
- Kilocalories per hour kcal/h
- One International Table kilocalorie per hour: exactly 1.163 watts.
- Watts W
- The SI unit of power: one joule per second.
Questions people ask
Kilocalories per hour to Watts: what is the conversion factor?
One kcal/h is 1.163 W.
How do I convert Kilocalories per hour to Watts?
Use the formula above. For example, 100 kcal/h = 116.3 W.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.