Convert watt hour (Wh) to calorie (cal).
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Calorie to Watt Hour Converter (cal to Wh)
Convert calorie (cal) to watt hour (Wh).Unit Converter · Energy
Quick answer
1 calorie (cal) is approximately equal to 0.00116222 watt hours (Wh). 1 watt hour (Wh) is approximately equal to 860.4207 calories (cal).
To convert cal to Wh, multiply the value in calories by 0.0011622222. For example, 10 cal = 0.01162222 Wh, and 100 cal = 0.11622222 Wh.
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Quick reference — calorie to watt hour
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How to convert calories to watt hours
How many watt hours are in a calorie? 1 calorie is about 0.00116222 watt hours. This free cal to Wh converter and calorie to watt hour calculator gives the answer instantly for any value.
To convert calorie (cal) to watt hour (Wh), multiply the value in calories by 0.0011622222.
Wh = cal × 0.0011622222
- 1
Take the value in calories
For example, 25 cal.
- 2
Multiply by 0.0011622222
25 × 0.0011622222.
- 3
Read the answer in watt hours
25 cal = 0.02905556 Wh.
Calorie to Watt Hour conversion table
Common values from 1 to 1,000 calories converted to watt hours.
| Calorie (cal) | Watt Hour (Wh) |
|---|---|
| 1 cal | 0.00116222 Wh |
| 2 cal | 0.00232444 Wh |
| 3 cal | 0.00348667 Wh |
| 4 cal | 0.00464889 Wh |
| 5 cal | 0.00581111 Wh |
| 6 cal | 0.00697333 Wh |
| 7 cal | 0.00813556 Wh |
| 8 cal | 0.00929778 Wh |
| 9 cal | 0.01046 Wh |
| 10 cal | 0.01162222 Wh |
| 15 cal | 0.01743333 Wh |
| 20 cal | 0.02324444 Wh |
| 25 cal | 0.02905556 Wh |
| Calorie (cal) | Watt Hour (Wh) |
|---|---|
| 30 cal | 0.03486667 Wh |
| 40 cal | 0.04648889 Wh |
| 50 cal | 0.05811111 Wh |
| 60 cal | 0.06973333 Wh |
| 70 cal | 0.08135556 Wh |
| 75 cal | 0.08716667 Wh |
| 80 cal | 0.09297778 Wh |
| 90 cal | 0.1046 Wh |
| 100 cal | 0.11622222 Wh |
| 250 cal | 0.29055556 Wh |
| 500 cal | 0.58111111 Wh |
| 1,000 cal | 1.16222222 Wh |
About calories and watt hours
Calorie (cal)
A calorie (cal) here is the thermochemical calorie, exactly 4.184 joules. Food "Calories" are kilocalories, a thousand times larger.
Watt Hour (Wh)
A watt-hour (Wh) is the energy of one watt used for one hour, equal to 3,600 joules. Battery capacities are often given in Wh.
cal to Wh: common questions
- How many watt hours are in 1 calorie?
- 1 calorie (cal) is approximately equal to 0.00116222 watt hours (Wh). In short: 1 cal ≈ 0.00116222 Wh.
- How do I convert calories to watt hours?
- To convert cal to Wh, multiply the value in calories by 0.0011622222. For example, 5 cal = 0.00581111 Wh.
- How do I convert watt hours to calories?
- Use the Watt Hour to Calorie converter, which applies the exact reverse factor.
- What is 10 cal in Wh, and what is 100 cal?
- 10 cal = 0.01162222 Wh, and 100 cal = 0.11622222 Wh. The table above lists more values from 1 to 1,000.
- Is this cal to Wh converter accurate?
- Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.
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