Converters
12
Calories to Watt-hours Converter
Convert calories to watt-hours instantly with the formula, worked examples, rounding guidance, and related energy conversions.
Units
85
Mode
Live
Pair-specific conversion guide
Calorie to Watt-hour formula
Use this Calorie to Watt-hour page for direct energy conversions. The calculator keeps the exact cal to Wh relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 cal = 0.00116222222222 Wh
1 Calorie equals
Quick factor: 1 cal = 0.00116222222222 Wh.
The current calculator value is 1 cal, which equals 0.00116222222222 Wh.
Use the conversion table to compare 1 cal with the other units in the same category.
Energy units can describe electricity, heat, or nutrition, so retain the unit symbol with every result.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between cal and Wh. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsEnergy
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Watt-hours to Calories Converter
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Conversion table
1 Calorie equals
| Unit | Value |
|---|---|
| Joule J | 4.184 |
| Kilojoule kJ | 0.004184 |
| Kilocalorie kcal | 0.001 |
| Watt-hour Wh | 0.00116222222222 |
| Kilowatt-hour kWh | 1.16222222222E-06 |
| British thermal unit BTU | 0.00396566683139 |
FAQ
Calorie to Watt-hour questions
How do you convert Calorie to Watt-hour?
Use the formula 1 cal = 0.00116222222222 Wh. As a quick check, 1 cal equals 0.00116222222222 Wh.
Is the Calorie to Watt-hour conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.