To convert watts to kilocalories per hour, multiply by 0.8604206501.
The calculation uses 1 W = 0.8604206501 kcal/h. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in kcal/h = value in W × 0.8604206501
W- Input unit: watts
kcal/h- Output unit: kilocalories per hour
How to use this calculator
- Enter a value in W.
- Multiply by the stored conversion factor.
- Read the result in kcal/h; divide by the same factor to convert back.
Worked examples
Worked conversion
1 W × 0.8604206501 ≈ 0.8604206501 kcal/h.
Reverse conversion
0.8604206501 kcal/h ÷ 0.8604206501 ≈ 1 W. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 0.8604206501 kcal/h per W.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
W to kcal/h table
| W | kcal/h (rounded) |
|---|---|
| 0 | 0 |
| 1 | 0.8604206501 |
| 2 | 1.7208413 |
| 5 | 4.30210325 |
| 10 | 8.604206501 |
| 100 | 86.04206501 |
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