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Convert Calorie to British Thermal Unit

Instantly convert Calorie (cal) to British Thermal Unit (BTU) with our free online converter.

Calorie → British Thermal Unit

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Conversion Formula

Calorie to British Thermal Unit

Calorie value × 0.00396567 = British Thermal Unit value

Multiply the calorie value by 0.00396567 to convert to british thermal unit. This is because 1 cal = 0.00396567 BTU.

Quick Reference Table

Calorie (cal)British Thermal Unit (BTU)
0.1 cal0.00039657 BTU
0.5 cal0.00198283 BTU
1 cal0.00396567 BTU
2 cal0.00793133 BTU
5 cal0.01982833 BTU
10 cal0.03965667 BTU
25 cal0.09914167 BTU
50 cal0.19828334 BTU
100 cal0.39656668 BTU
1000 cal3.96566683 BTU

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Frequently Asked Questions

How do I convert Calorie to British Thermal Unit?
Multiply the calorie value by 0.00396567 to convert to british thermal unit. This is because 1 cal = 0.00396567 BTU.
What is 1 Calorie in British Thermal Unit?
1 cal is equal to 0.00396567 BTU.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors and formulas for precise results.