cal to Wh
Convert Calorie to Watt-hour
Convert Calorie to Watt-hour instantly with the tool above. The conversion factor is 0.00116222, meaning 1 calorie equals 0.00116222 watt-hours. Type any value and the result updates immediately — no ads, no page reloads, no clutter.
Type a number above. The result updates instantly — no buttons, no reloads.
1 Calorie = 0.00116222 watt-hours
1 Watt-hour = 860.4206501 calories
Quick reference
Common calories converted to watt-hours at a glance.
| cal | Wh |
|---|---|
| 1 | 0.00116222 |
| 2 | 0.00232444 |
| 5 | 0.00581111 |
| 10 | 0.01162222 |
| 25 | 0.02905556 |
| 50 | 0.05811111 |
| 100 | 0.11622222 |
| 500 | 0.58111111 |
| 1,000 | 1.16222222 |
How to convert calories to watt-hours
To convert a value from calories to watt-hours, multiply the calorie value by 0.00116222 watt-hours. For example, 10 calories × that factor = 0.01162222 watt-hours.
This calorie to watt-hour converter runs entirely in your browser, so results appear instantly with no page reload, no advertisements and no sign-up.
Frequently asked questions
How many watt-hours are in 1 calorie?+
1 calorie is equal to 0.00116222 watt-hours.
How do you convert calories to watt-hours?+
To convert calories to watt-hours, multiply the calorie value by 0.00116222. For example, 10 calories × 0.00116222 = 0.01162222 watt-hours.
What is the formula to convert calories to watt-hours?+
Calorie → Watt-hour: value × 0.00116222. Equivalently, 1 calorie = 0.00116222 watt-hours.
Is this Calorie to Watt-hour converter free to use?+
Yes. This calorie to watt-hour converter is completely free, works instantly in your browser, and contains no advertisements, popups or sign-up.