kilocalories to watt-hours
Convert kilocalorie (food cal) to watt-hour — instant, free, with the formula shown.
How to convert kilocalorie (food cal) to watt-hour
To convert kilocalorie (food cal) to watt-hour, multiply by 1.16222222:
For example, 10 kcal × 1.162222 = 11.622222 Wh.
kcal to Wh conversion table
| kilocalories (kcal) | watt-hours (Wh) |
|---|---|
| 1 kcal | 1.162222 Wh |
| 2 kcal | 2.324444 Wh |
| 5 kcal | 5.811111 Wh |
| 10 kcal | 11.622222 Wh |
| 25 kcal | 29.055556 Wh |
| 50 kcal | 58.111111 Wh |
| 100 kcal | 116.222222 Wh |
| 250 kcal | 290.555556 Wh |
| 500 kcal | 581.111111 Wh |
| 1000 kcal | 1162.222222 Wh |
Other kilocalorie (food cal) conversions
Convert to watt-hour from another unit
kcal to Wh — frequently asked
How many watt-hours are in 1 kilocalorie (food cal)?
1 kilocalorie (food cal) = 1.162222 watt-hours (kcal × 1.162222 = Wh).
What is the formula to convert kilocalorie (food cal) to watt-hour?
Multiply your kilocalorie (food cal) value by 1.16222222 to get watt-hour.
How do I convert 10 kilocalories to watt-hours?
10 kcal = 11.622222 Wh. For 100 kcal the answer is 116.222222 Wh. Use the calculator on this page for any other value.
When to convert kilocalorie (food cal) to watt-hour
Energy conversion — common questions
Is a food calorie the same as a calorie?
No — a food 'Calorie' (capital C) actually means 1 kilocalorie = 1,000 small calories = 4,184 J. Nutrition labels typically write 'cal' meaning kcal.
How many joules in 1 kWh?
1 kWh = 3,600,000 J (3.6 MJ). Because 1 kW × 1 hour = 1,000 W × 3,600 s = 3,600,000 J.
What is a BTU?
British Thermal Unit — the energy required to raise 1 pound of water by 1 °F. 1 BTU ≈ 1,055 J.