Convert kilocalorie (kcal) to watt hour (Wh).
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Watt Hour to Kilocalorie Converter (Wh to kcal)
Convert watt hour (Wh) to kilocalorie (kcal).Unit Converter · Energy
Quick answer
1 watt hour (Wh) is approximately equal to 0.8604207 kilocalories (kcal). 1 kilocalorie (kcal) is approximately equal to 1.162222 watt hours (Wh).
To convert Wh to kcal, multiply the value in watt hours by 0.8604206501. For example, 10 Wh = 8.6042065 kcal, and 100 Wh = 86.04206501 kcal.
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Quick reference — watt hour to kilocalorie
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How to convert watt hours to kilocalories
How many kilocalories are in a watt hour? 1 watt hour is about 0.8604207 kilocalories. This free Wh to kcal converter and watt hour to kilocalorie calculator gives the answer instantly for any value.
To convert watt hour (Wh) to kilocalorie (kcal), multiply the value in watt hours by 0.8604206501.
kcal = Wh × 0.8604206501
- 1
Take the value in watt hours
For example, 25 Wh.
- 2
Multiply by 0.8604206501
25 × 0.8604206501.
- 3
Read the answer in kilocalories
25 Wh = 21.51051625 kcal.
Watt Hour to Kilocalorie conversion table
Common values from 1 to 1,000 watt hours converted to kilocalories.
| Watt Hour (Wh) | Kilocalorie (kcal) |
|---|---|
| 1 Wh | 0.86042065 kcal |
| 2 Wh | 1.7208413 kcal |
| 3 Wh | 2.58126195 kcal |
| 4 Wh | 3.4416826 kcal |
| 5 Wh | 4.30210325 kcal |
| 6 Wh | 5.1625239 kcal |
| 7 Wh | 6.02294455 kcal |
| 8 Wh | 6.8833652 kcal |
| 9 Wh | 7.74378585 kcal |
| 10 Wh | 8.6042065 kcal |
| 15 Wh | 12.90630975 kcal |
| 20 Wh | 17.208413 kcal |
| 25 Wh | 21.51051625 kcal |
| Watt Hour (Wh) | Kilocalorie (kcal) |
|---|---|
| 30 Wh | 25.8126195 kcal |
| 40 Wh | 34.416826 kcal |
| 50 Wh | 43.0210325 kcal |
| 60 Wh | 51.62523901 kcal |
| 70 Wh | 60.22944551 kcal |
| 75 Wh | 64.53154876 kcal |
| 80 Wh | 68.83365201 kcal |
| 90 Wh | 77.43785851 kcal |
| 100 Wh | 86.04206501 kcal |
| 250 Wh | 215.10516252 kcal |
| 500 Wh | 430.21032505 kcal |
| 1,000 Wh | 860.4206501 kcal |
About watt hours and kilocalories
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.
Kilocalorie (kcal)
A kilocalorie (kcal) is 1,000 calories, or 4,184 joules. It is the "Calorie" used on food labels and in diet and fitness tracking.
Wh to kcal: common questions
- How many kilocalories are in 1 watt hour?
- 1 watt hour (Wh) is approximately equal to 0.8604207 kilocalories (kcal). In short: 1 Wh ≈ 0.8604207 kcal.
- How do I convert watt hours to kilocalories?
- To convert Wh to kcal, multiply the value in watt hours by 0.8604206501. For example, 5 Wh = 4.30210325 kcal.
- How do I convert kilocalories to watt hours?
- Use the Kilocalorie to Watt Hour converter, which applies the exact reverse factor.
- What is 10 Wh in kcal, and what is 100 Wh?
- 10 Wh = 8.6042065 kcal, and 100 Wh = 86.04206501 kcal. The table above lists more values from 1 to 1,000.
- Is this Wh to kcal 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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