Convert Wh to kilocalories
watt hours to kilocalories. Enter a value to convert, or use the Wh to kilocalories chart further down the page.
1 watt hour equals 0.860421 kilocalories. Going the other way, 1 kilocalorie = 1.16222 watt hours.
How to convert Wh to kilocalories
To convert watt hours to kilocalories, multiply the watt hour value by 0.8604206501. You can also divide by 1.162222222 to get the same answer.
kcal = Wh × 0.8604206501
Worked example
Convert 15 Wh to kilocalories:
15 Wh = 12.9063 kcal
Wh to kilocalories conversion chart
Use this Wh to kilocalories table for quick reference without typing anything.
| watt hours (Wh) | kilocalories (kcal) |
|---|---|
| 0.01 Wh | 0.00860421 kcal |
| 0.1 Wh | 0.0860421 kcal |
| 1 Wh | 0.860421 kcal |
| 2 Wh | 1.72084 kcal |
| 3 Wh | 2.58126 kcal |
| 5 Wh | 4.3021 kcal |
| 10 Wh | 8.60421 kcal |
| 20 Wh | 17.2084 kcal |
| 50 Wh | 43.021 kcal |
| 100 Wh | 86.0421 kcal |
| 1,000 Wh | 860.421 kcal |
What is a watt hour?
A watt hour is exactly 3,600 joules — the energy used by a one-watt device in one hour. Battery capacity is rated in watt hours.
What is a kilocalorie?
The kilocalorie, written kcal or capital-C Calorie, is 1,000 thermochemical calories — the unit meant by “calories” on food packaging.
Frequently asked questions
How many kilocalories are in a watt hour?
1 Wh equals 0.860421 kilocalories. Going the other way, 1 kilocalories is 1.16222 Wh.
How do you convert Wh to kilocalories?
To convert watt hours to kilocalories, multiply the watt hour value by 0.8604206501. You can also divide by 1.162222222 to get the same answer.
What is 10 Wh in kilocalories?
10 Wh equals 8.60421 kilocalories. The conversion chart on this page lists the other values people look up most often.
Related energy conversions
Convert Wh to other units
Convert other units to kilocalories
- joules to kilocalories
- kilojoules to kilocalories
- calories to kilocalories
- kWh to kilocalories
- BTU to kilocalories
- foot pounds to kilocalories
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