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British Thermal Units To Calories Converter

Convert between Calories and British Thermal Units. Select a direction, enter a value, and compare results in the conversion table.






0 cal

Conversion Table

Btucal

Reverse Conversion

calories to british thermal units

How This Converter Works

Convert between Calories (cal) and British Thermal Units (Btu). Select either direction to convert directly.

Formula or rule

British Thermal Units = Calories * 0.00396566683139092; Calories = British Thermal Units / 0.00396566683139092

Example

Input
1 Btu
Calculation
1 * 252.164400721797 = 252.164400721797
Result
252.164400721797 cal

Notes

Energy factors use thermochemical calories, International Table Btu and therms, and the exact electronvolt relationship.

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