Convert Calories to BTU

Use our accurate converter to change calories into btu. This tool is simple to use and works instantly.

How to Calculate

To change calories to btu, you just need to know the conversion factor.

Rule: 1 Calories = 0.0039683051 BTU

Calories to BTU
Pre-defined calculator for direct calories to btu conversion.
Calories (IT) (cal)
0
BTU (IT)
Formula: 1 Calories = 0.00396831 BTU

Unit Information

About Calories

Definition: The calorie is a unit for measuring heat and food energy.

History: It was first defined by the heat needed to warm up a small amount of water.

Where it is used: Used mostly in food labels and for studying heat.

Calories to BTU Conversion Table

Calories [cal]BTU [btu]
0.01 cal0.0000396831 btu
0.1 cal0.0003968305 btu
1 cal0.0039683051 btu
2 cal0.0079366102 btu
3 cal0.0119049154 btu
5 cal0.0198415256 btu
10 cal0.0396830512 btu
20 cal0.0793661024 btu
50 cal0.198415256 btu
100 cal0.396830512 btu
1000 cal3.9683051201 btu

How to Convert Calories to BTU

Calculation: To convert calories to btu, multiply the value by the conversion factor (0.0039683051).

Example: convert 15 cal to btu:
15 cal = 15 × 0.0039683051 btu = 0.0595245768 btu

Calories to All Energy Units

Explore all available conversion pairs for calories to other professional energy metrics.

All Unit Conversion Systems

Access our high-fidelity calculators for other measurement systems and engineering metrics.