Calculator

BTU Converter

Convert between common energy units instantly.

Interactive toolUpdated July 2026

Input

Converted Values

J1000.000
MJ0.001000
kWh2.778e-4
BTU0.947817
therm9.478e-6
kcal0.239006

About

Conversion factors are referenced to a base unit for each category (Energy → base kJ). Values are rounded for display; the underlying calculation uses full precision.

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