BTU per cubic foot to kilojoule per cubic meter converter

Convert BTU per cubic foot to kilojoule per cubic meter in the Energy density family. See a sample calculation, unit definitions, and the interactive converter.

Example conversion: 1 Btu-ft3

37.25894581 kilojoule per cubic meter

This example is calculated from the same unit registry used by the interactive converter.

Formula and unit definitions

Convert energy per volume for fuels, batteries and thermodynamics.

target value = source value × source factor ÷ target factor

Source unit: BTU per cubic foot (Btu-ft3), factor 37258.94581, offset 0.

Target unit: kilojoule per cubic meter (kJ-m3), factor 1000, offset 0.

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Important note

The calculation is performed locally from the listed unit definitions. Display results are rounded for readability; high-precision and regulated work should use the governing standard and appropriate significant figures.

For high-precision, regulated or safety-critical use, check the underlying standard and its required precision. Historical and approximate units are identified in their names or family descriptions.

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