Convert kilocalories to watt-hours
1 kcal = 1.16222222222 Wh — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
1.162 222 222 22Wh
As a fraction: 523/450
1 kcal = 1.16222222222 Wh
How to convert kilocalories to watt-hours
Multiply the number of kilocalories by 1.16222222222 to get watt-hours.
Kilocalorie: The Calorie on food labels — 1000 small calories.
Kilocalorie to Watt-hour conversion table
| Kilocalories (kcal) | Watt-hours (Wh) |
|---|---|
| 1 kcal | 1.162 222 2 |
| 2 kcal | 2.324 444 4 |
| 3 kcal | 3.486 666 7 |
| 5 kcal | 5.811 111 1 |
| 10 kcal | 11.622 222 |
| 20 kcal | 23.244 444 |
| 25 kcal | 29.055 556 |
| 50 kcal | 58.111 111 |
| 100 kcal | 116.222 22 |
| 250 kcal | 290.555 56 |
| 500 kcal | 581.111 11 |
| 1000 kcal | 1162.2222 |
Watt-hour to Kilocalorie conversion table
| Watt-hours (Wh) | Kilocalories (kcal) |
|---|---|
| 1 Wh | 0.860 420 65 |
| 2 Wh | 1.720 841 3 |
| 3 Wh | 2.581 262 |
| 5 Wh | 4.302 103 3 |
| 10 Wh | 8.604 206 5 |
| 20 Wh | 17.208 413 |
| 25 Wh | 21.510 516 |
| 50 Wh | 43.021 033 |
| 100 Wh | 86.042 065 |
| 250 Wh | 215.105 16 |
| 500 Wh | 430.210 33 |
| 1000 Wh | 860.420 65 |
Frequently asked
How many watt-hours are in a kilocalorie?
One kilocalorie equals 1.162222222 watt-hours (kcal → Wh). That figure is exact, not rounded.
How do you convert kilocalories to watt-hours?
Multiply the number of kilocalories by 1.16222222222 to get watt-hours.
What is 1 Wh in kilocalories?
One watt-hour is 0.8604206501 kilocalories.
What is 10 kcal in Wh?
10 kcal = 11.622 222 Wh.
What exactly is a kilocalorie?
The Calorie on food labels — 1000 small calories.