Energy Converter

Precision conversion between all standard energy units including joules, calories, and watt-hours

Energy Converter

Convert between different units of energy measurement.

Common Conversions

Quick reference for frequently used conversions

Jcal

1 J = 0.239 cal

kcalkJ

1 kcal = 4.184 kJ

kWhMJ

1 kWh = 3.6 MJ

BTUJ

1 BTU = 1055 J

eVJ

1 eV = 1.602×10⁻¹⁹ J

calJ

1 cal = 4.184 J

Built with precision • All energy units supported