Energy Converter

Convert between any Energy units instantly.

100% Private — Nothing is Uploaded

All processing happens locally in your browser. Your files never leave your device and are never sent to any server.

All units

UnitSymbol
JoulesJ
KilojouleskJ
Caloriescal
Kilocalorieskcal
Watt-hoursWh
Kilowatt-hourskWh
ElectronvoltseV
BTUBTU
Foot-poundsft·lb

About the Energy Converter

This tool converts between any two units of Energy. Enter a value, choose your units, and the result updates instantly. Everything runs locally in your browser.