How to convert calories to kilowatt hours
To convert calories to kilowatt hours, multiply by 0.00000116222222222. Energy conversions connect nutrition, electricity bills, heating systems and physics.
Calorie to Kilowatt-hour conversion table
| Calorie (cal) | Kilowatt-hour (kWh) |
|---|---|
| 0.1 cal | 1.16222222e-7 kWh |
| 0.5 cal | 5.81111111e-7 kWh |
| 1 cal | 0.00000116222222222 kWh |
| 2 cal | 0.00000232444444444 kWh |
| 3 cal | 0.00000348666666667 kWh |
| 4 cal | 0.00000464888888889 kWh |
| 5 cal | 0.00000581111111111 kWh |
| 10 cal | 0.0000116222222222 kWh |
| 20 cal | 0.0000232444444444 kWh |
| 25 cal | 0.0000290555555556 kWh |
| 50 cal | 0.0000581111111111 kWh |
| 100 cal | 0.000116222222222 kWh |
| 500 cal | 0.000581111111111 kWh |
| 1,000 cal | 0.00116222222222 kWh |
About the units
Calorie (cal)
A (small) thermochemical calorie is exactly 4.184 joules.
Kilowatt-hour (kWh)
A kilowatt-hour equals 3.6 million joules and is the unit on electricity bills.
How to use this converter
- Type the number of calories (cal) in the input box.
- The result in kilowatt hours appears instantly — no button needed.
- See the same value in every other energy unit just below.
- Use “Swap units” to convert kilowatt hours back to calories.
Tips for better results
- Double-check which system a unit belongs to (for example US vs UK gallons).
- Use the swap button to convert in the opposite direction instantly.
- Bookmark the conversions you use most — each pair has its own page.
Frequently asked questions
How many kilowatt hours are in one calorie?
One calorie equals 0.00000116222222222 kilowatt hours. 0.00000116222222222 is the exact factor used by this converter.
How do I convert calories to kilowatt hours?
Multiply the value in calories by 0.00000116222222222. To go the other way, multiply kilowatt hours by 860,420.650096.
What is 10 cal in kWh?
10 cal = 0.0000116222222222 kWh. Also, 5 cal = 0.00000581111111111 kWh and 100 cal = 0.000116222222222 kWh.
What is the difference between a calorie and a kilowatt-hour?
A (small) thermochemical calorie is exactly 4.184 joules. A kilowatt-hour equals 3.6 million joules and is the unit on electricity bills.
Is this tool free and private?
Yes — the Calorie to Kilowatt-hour is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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