1 watt hour 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
Values either side of 1 Wh.
| Watt hours (Wh) | Kilocalories (kcal) |
|---|---|
| -4 | -3.4417 |
| -3.5 | -3.0115 |
| -3 | -2.5813 |
| -2.5 | -2.1511 |
| -2 | -1.7208 |
| -1.5 | -1.2906 |
| -1 | -0.860421 |
| -0.5 | -0.43021 |
| 0 | 0 |
| 0.5 | 0.43021 |
| 1 | 0.860421 |
| 1.5 | 1.2906 |
| 2 | 1.7208 |
| 2.5 | 2.1511 |
| 3 | 2.5813 |
| 3.5 | 3.0115 |
| 4 | 3.4417 |
| 4.5 | 3.8719 |
| 5 | 4.3021 |
| 5.5 | 4.7323 |
| 6 | 5.1625 |
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.