Unit Convertio

Trusted unit conversions based on SI and NIST scientific standards

Calorie to British Thermal Unit

Convert Calorie [cal] to British Thermal Unit [BTU] and vice versa.

Conversion Formula

Example: 1 cal = 0.00396565 BTU

The conversion uses the following relationship: Calorie values are converted to the base unit (Joule), then converted to British Thermal Unit.

Related Thermal Expansion Conversions

cal to JBTU to J
cal to kJBTU to kJ
cal to kcalBTU to kcal
cal to WhBTU to Wh
cal to kWhBTU to kWh
cal to J/(kg·K)BTU to J/(kg·K)

Quick Reference Table

calBTU
10.00396565
50.0198283
100.0396565
250.0991413
500.198283
1000.396565
2500.991413
5001.98283
10003.96565
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