Table Of Contents
Watt-hour to calories Conversion
1 watt-hour (W⋅hr) is equal to 860.4206501 calories (cal).
1 W⋅hr = 860.4206501 cal
or
1 cal = 0.001162222222 W⋅hr
Formula
To convert a energy from watt-hour (W⋅hr) to calories (cal), multiply the energy in watt-hour by 860.4206501
e(cal) = e(W⋅hr) × 860.4206501
Examples:
Convert 500 watt-hour to calories:
e(cal) = 500W⋅hr × 860.4206501 = 430210.325 cal
Conversion table
| Watt-hour (W⋅hr) | Calories (cal) |
|---|---|
| 1 W⋅hr | 860.420650096 cal |
| 2 W⋅hr | 1720.841300191 cal |
| 3 W⋅hr | 2581.261950287 cal |
| 5 W⋅hr | 4302.103250478 cal |
| 10 W⋅hr | 8604.206500956 cal |
| 20 W⋅hr | 17208.413001912 cal |
| 25 W⋅hr | 21510.51625239 cal |
| 50 W⋅hr | 43021.03250478 cal |
| 100 W⋅hr | 86042.06500956 cal |
| 250 W⋅hr | 215105.162523901 cal |
| 500 W⋅hr | 430210.325047801 cal |
| 1000 W⋅hr | 860420.650095602 cal |
| Calories (cal) | Watt-hour (W⋅hr) |
|---|---|
| 1 cal | 0.001162222 W⋅hr |
| 2 cal | 0.002324444 W⋅hr |
| 3 cal | 0.003486667 W⋅hr |
| 5 cal | 0.005811111 W⋅hr |
| 10 cal | 0.011622222 W⋅hr |
| 20 cal | 0.023244444 W⋅hr |
| 25 cal | 0.029055556 W⋅hr |
| 50 cal | 0.058111111 W⋅hr |
| 100 cal | 0.116222222 W⋅hr |
| 250 cal | 0.290555556 W⋅hr |
| 500 cal | 0.581111111 W⋅hr |
| 1000 cal | 1.162222222 W⋅hr |
Frequently asked questions
How do I convert watt-hour to calories?
Multiply the value in watt-hour by 860.4206501 to get the result in calories. For example, 5 W⋅hr × 860.4206501 = 4302.103250478 cal.
How many calories are in 1 watt-hour?
1 watt-hour (W⋅hr) is equal to 860.420650096 calories (cal).
How do I convert calories back to watt-hour?
Use the inverse operation: divide the value in calories by 860.4206501 to get the result in watt-hour.
How accurate is the watt-hour to calories conversion?
The converter multiplies by the conversion factor 860.4206501 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- NIST Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically (NIST SP 811, 2008 edition)
- NIST Guide to the SI (SP 811), Footnotes (notes 22 and 23)
- CODATA Value: electron volt-joule relationship (NIST Fundamental Physical Constants)