Convert kilocalories to watt-hours
Kilocalorie (kcal) to watt-hour (Wh). One kilocalorie equals 1.1622 watt-hours.
Formula
Kilocalorie to watt-hour conversion table
| Kilocalories | Watt-hours | Watt-hours | Kilocalories |
|---|---|---|---|
| 1 kcal | 1.1622 Wh | 1 Wh | 0.860421 kcal |
| 2 kcal | 2.3244 Wh | 2 Wh | 1.7208 kcal |
| 3 kcal | 3.4867 Wh | 3 Wh | 2.5813 kcal |
| 5 kcal | 5.8111 Wh | 5 Wh | 4.3021 kcal |
| 10 kcal | 11.6222 Wh | 10 Wh | 8.6042 kcal |
| 20 kcal | 23.2444 Wh | 20 Wh | 17.2084 kcal |
| 50 kcal | 58.1111 Wh | 50 Wh | 43.021 kcal |
| 100 kcal | 116.22 Wh | 100 Wh | 86.0421 kcal |
| 500 kcal | 581.11 Wh | 500 Wh | 430.21 kcal |
| 1000 kcal | 1162.22 Wh | 1000 Wh | 860.42 kcal |
To convert kilocalories to watt-hours, multiply the number of kilocalories by 1.1622. One kilocalorie equals 1.1622 watt-hours, and one watt-hour equals 0.860421 kilocalories, so the relationship is fixed and exact. As a worked example, 10 kcal comes to 11.6222 Wh. Enter your own figure in the converter above to get an instant answer, or use the swap button to flip the direction. This is a energy conversion, and like every tool on UnitGlide it runs locally in your browser with no account or upload required. The table further down shows a range of common kilocalorie values already worked out in watt-hours, plus the reverse watt-hour to kilocalorie direction, which is handy for quick reference or double-checking a result by hand.
Frequently asked questions
How many watt-hours are in a kilocalorie?
One kilocalorie equals 1.1622 watt-hours. The ratio is constant, so you can multiply any number of kilocalories by 1.1622 to get watt-hours.
What is the formula to convert kilocalories to watt-hours?
Use watt-hours = kilocalories × 1.1622. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert watt-hours back to kilocalories?
Go the other way by using one watt-hour equals 0.860421 kilocalories. You can also press the swap button in the converter above to flip the direction in one click.
Is this kilocalorie to watt-hour converter accurate?
Yes. It uses internationally defined SI conversion factors, as maintained by the BIPM, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.