calories to BTU

Free online converter — type a value and get the result instantly. No signup, works offline in your browser.

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All calculations run locally in your browser — nothing is uploaded.

Conversion formula

1 cal = 0.003966 BTU

calories to BTU conversion table

calories (cal)BTU (BTU)
0.1 cal0.000397 BTU
0.25 cal0.000991 BTU
0.5 cal0.001983 BTU
1 cal0.003966 BTU
2 cal0.007931 BTU
3 cal0.011897 BTU
5 cal0.019828 BTU
10 cal0.039657 BTU
20 cal0.079313 BTU
25 cal0.099142 BTU
50 cal0.198283 BTU
100 cal0.396567 BTU
250 cal0.991417 BTU
500 cal1.982833 BTU
1000 cal3.965667 BTU
5000 cal19.828334 BTU
10000 cal39.656668 BTU

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FAQ

How do I convert calories to BTU?

Type a value in calories in the converter above — the equivalent in BTU is calculated instantly. 1 cal equals 0.003966 BTU.

What is the formula to convert calories to BTU?

Multiply the value in calories by 0.003966 to get the value in BTU.

How many BTU are in 1 calories?

There are 0.003966 BTU in 1 cal.