1 watt hour to calories
1 Wh = 860.42 cal. Change the amount below, or read the formula and the reference table further down.
1 watt hour equals
calories
1 Wh = 860.42 cal
The formula
Watt hours and calories both measure energy from the same zero, so a single multiplier does the job.
cal = Wh × 860.42
Going the other way? Convert calories to watt hours.
Watt hours to calories table
Values either side of 1 Wh.
| Watt hours (Wh) | Calories (cal) |
|---|---|
| -4 | -3,441.68 |
| -3.5 | -3,011.47 |
| -3 | -2,581.26 |
| -2.5 | -2,151.05 |
| -2 | -1,720.84 |
| -1.5 | -1,290.63 |
| -1 | -860.42 |
| -0.5 | -430.21 |
| 0 | 0 |
| 0.5 | 430.21 |
| 1 | 860.42 |
| 1.5 | 1,290.63 |
| 2 | 1,720.84 |
| 2.5 | 2,151.05 |
| 3 | 2,581.26 |
| 3.5 | 3,011.47 |
| 4 | 3,441.68 |
| 4.5 | 3,871.89 |
| 5 | 4,302.1 |
| 5.5 | 4,732.31 |
| 6 | 5,162.52 |
Questions people ask
- How many calories are in a watt hour?
- One watt hour equals 860.42 calories.
- How do I convert watt hours to calories by hand?
- Multiply the number of watt hours by 860.42. For a rough check, 860.42 is close enough for most everyday use.
- What is 1 watt hour in calories?
- 1 watt hour is 860.42 calories.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.