Convert watt hours to kilocalories
1 Wh = 0.86042065 kcal. Change the amount below, or read the formula and the reference table further down.
1 watt hour equals
kilocalories
1 Wh = 0.86042065 kcal
The formula
Watt hours and kilocalories both measure energy from the same zero, so a single multiplier does the job.
kcal = Wh × 0.8604206501
Going the other way? Convert kilocalories to watt hours.
Watt hours to kilocalories table
Common values, rounded for reading.
| Watt hours (Wh) | Kilocalories (kcal) |
|---|---|
| 1 | 0.860421 |
| 2 | 1.7208 |
| 3 | 2.5813 |
| 4 | 3.4417 |
| 5 | 4.3021 |
| 6 | 5.1625 |
| 7 | 6.0229 |
| 8 | 6.8834 |
| 9 | 7.7438 |
| 10 | 8.6042 |
| 15 | 12.9063 |
| 20 | 17.2084 |
| 25 | 21.5105 |
| 30 | 25.8126 |
| 40 | 34.4168 |
| 50 | 43.021 |
| 75 | 64.5315 |
| 100 | 86.0421 |
| 250 | 215.11 |
| 500 | 430.21 |
| 1,000 | 860.42 |
Questions people ask
- How many kilocalories are in a watt hour?
- One watt hour equals 0.8604206501 kilocalories.
- How do I convert watt hours to kilocalories by hand?
- Multiply the number of watt hours by 0.8604206501. For a rough check, 0.86 is close enough for most everyday use.
- What is 1 watt hour in kilocalories?
- 1 watt hour is 0.86042065 kilocalories.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.