Calories to BTU Converter

Convert Calories (cal) to BTU (BTU) instantly. 1 Calorie = 0.0039656663 BTU.

Calories to BTU 13 units

Common Energy Conversions

Calories to BTU Conversion Table

Calories (cal) BTU (BTU)
0.01 cal 0.0000396567 BTU
0.1 cal 0.0003965666 BTU
0.5 cal 0.0019828331 BTU
1 cal 0.0039656663 BTU
2 cal 0.0079313326 BTU
5 cal 0.0198283314 BTU
10 cal 0.0396566628 BTU
25 cal 0.0991416569 BTU
50 cal 0.1982833139 BTU
100 cal 0.3965666277 BTU
250 cal 0.9914165694 BTU
500 cal 1.98283314 BTU
1000 cal 3.96566628 BTU
5000 cal 19.828331 BTU
10000 cal 39.656663 BTU

📐 How to Convert Calories to BTU

Multiply the Calorie value by 0.0039656663 to get BTU.

Example: 10 Calories × 0.0039656663 = 0.0396566628 BTU

To go the other way, multiply by 252.164436. Use the reverse converter →

Frequently Asked Questions

Q How many BTU in a Calorie?
1 Calorie equals 0.0039656663 BTU.
Q How do I convert Calories to BTU?
Multiply your Calorie value by 0.0039656663 to get the result in BTU.

ℹ️ About These Units

Calorie
cal

A unit of energy commonly used in measurement systems worldwide.

BTU
BTU

A unit of energy used alongside and interchangeable with other standard units.