⚡ Energy & Calories

Convert calories to BTU (Energy)

1 cal = 0.00396567 BTU. Convert calories to BTU instantly with the converter below.

Value

Result —

How to convert

Multiply the value (cal) by 0.00396567 to get BTU — example: 5 cal = 0.0198283 BTU

Conversion table

Calories to BTU conversion table
Calorie	BTU
1 cal	0.00396567 BTU
2 cal	0.00793133 BTU
5 cal	0.0198283 BTU
10 cal	0.0396567 BTU
50 cal	0.198283 BTU
100 cal	0.396567 BTU
250 cal	0.991417 BTU
500 cal	1.982833 BTU
1,000 cal	3.965667 BTU
2,000 cal	7.931334 BTU

About the units

Calorie — symbol cal.
BTU — symbol BTU.

The small calorie is the thermochemical calorie = 4.184 J; food calories are the large calorie (kilocalorie).

Frequently asked questions

How many BTU are in 1 calorie?

1 cal = 0.00396567 BTU.

How do I convert calories to BTU?

Multiply the value (cal) by 0.00396567 to get BTU.

How many calories are in 1 BTU?

1 BTU = 252.164401 cal.

Which definition does this conversion use?

The small calorie is the thermochemical calorie = 4.184 J; food calories are the large calorie (kilocalorie).

Related conversions

Reverse: BTU to calories

Calories to other units

calories to joules calories to kilojoules calories to kilocalories calories to watt-hours calories to kilowatt-hours

Other units to BTU

joules to BTU kilojoules to BTU kilocalories to BTU watt-hours to BTU kilowatt-hours to BTU

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