Calories to Btu converter
cal to BTU — 1 kcal = 4,184 J
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Convert Calories to all units
J Joules—
kJ Kilojoules—
kcal Kilocalories—
Wh Watt Hours—
kWh Kilowatt Hours—
BTU Btu—
eV Electronvolts—
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Conversion Formula
Calories to Btu: 1 kcal = 4,184 J
Example: To convert 500 kcal to joules: 500 × 4,184 = 2,092,000 J
Quick Reference: Calories to Btu
| Calories | Btu |
|---|---|
| 1 cal | 0.003966 BTU |
| 5 cal | 0.019828 BTU |
| 10 cal | 0.039657 BTU |
| 25 cal | 0.099141 BTU |
| 50 cal | 0.198283 BTU |
| 100 cal | 0.396565 BTU |
| 500 cal | 1.9828 BTU |
| 1,000 cal | 3.9657 BTU |
Frequently Asked Questions
How do I convert Calories to Btu?
Multiply your calories value by the conversion factor. To convert 500 kcal to joules: 500 × 4,184 = 2,092,000 J. You can also use the converter above for instant results.
What is cal in BTU?
1 cal equals 0.003966 BTU. This is based on the standard conversion factor: 1 kcal = 4,184 J.
Is this converter accurate?
Yes. ConvertFast uses precise conversion factors computed client-side in your browser. Results are accurate to 6 significant digits, which covers all practical use cases.