Calories to Watt hours
One calorie is 0.001162222 watt hours. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.
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1 calorie = 0.001162222 watt hours · open this conversion
Formula
watt hours = calories × 0.00116222222
A food Calorie (capital C) is a kilocalorie. The thermochemical calorie of 4.184 J is used here.
Calories to Watt hours table
| Calories | Watt hours |
|---|---|
| 1 cal | 0.001162222 Wh |
| 2 cal | 0.002324444 Wh |
| 5 cal | 0.005811111 Wh |
| 10 cal | 0.01162222 Wh |
| 20 cal | 0.02324444 Wh |
| 25 cal | 0.02905556 Wh |
| 50 cal | 0.05811111 Wh |
| 100 cal | 0.1162222 Wh |
| 150 cal | 0.1743333 Wh |
| 200 cal | 0.2324444 Wh |
| 250 cal | 0.2905556 Wh |
| 300 cal | 0.3486667 Wh |
| 400 cal | 0.4648889 Wh |
| 500 cal | 0.5811111 Wh |
| 600 cal | 0.6973333 Wh |
| 800 cal | 0.9297778 Wh |
| 1,000 cal | 1.162222 Wh |
| 1,500 cal | 1.743333 Wh |
| 2,000 cal | 2.324444 Wh |
| 2,500 cal | 2.905556 Wh |
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Other energy conversions
⇄ Watt hours to CaloriesCalories to JoulesCalories to KilojoulesCalories to KilocaloriesCalories to Kilowatt hours
Frequently asked questions
▸How many watt hours are in a calorie?
One calorie is 0.001162222 watt hours. watt hours = calories × 0.00116222222.
▸How do I convert calories to watt hours?
Multiply the number of calories by 0.00116222222. For example, 10 cal × 0.00116222222 = 0.01162222 Wh.
▸What is the difference between calories and watt hours?
Calorie (cal) and Watt hour (Wh) both measure energy. Energy units for food, electricity and physics. The "calorie" on a nutrition label is a kilocalorie — 1,000 of the calories used in physics.
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