Energy Converter
Choose a conversion from 9 Energy units.
Energy is the capacity to do work or transfer heat, measured in joules in the SI system. It appears in many forms: kinetic, potential, thermal, electrical, and chemical. One kilowatt-hour (kWh) equals 3.6 million joules and is the standard unit for electricity billing.
Available Units
J
Joule
kJ
Kilojoule
cal
Calorie
kcal
Kilocalorie
Wh
Watt Hour
kWh
Kilowatt Hour
BTU
BTU
eV
Electronvolt
thm
Therm
All Conversions
Joule → Kilojoule J→kJ Joule → Calorie J→cal Joule → Kilocalorie J→kcal Joule → Watt Hour J→Wh Joule → Kilowatt Hour J→kWh Joule → BTU J→BTU Joule → Electronvolt J→eV Joule → Therm J→thm Kilojoule → Joule kJ→J Kilojoule → Calorie kJ→cal Kilojoule → Kilocalorie kJ→kcal Kilojoule → Watt Hour kJ→Wh Kilojoule → Kilowatt Hour kJ→kWh Kilojoule → BTU kJ→BTU Kilojoule → Electronvolt kJ→eV Kilojoule → Therm kJ→thm Calorie → Joule cal→J Calorie → Kilojoule cal→kJ Calorie → Kilocalorie cal→kcal Calorie → Watt Hour cal→Wh Calorie → Kilowatt Hour cal→kWh Calorie → BTU cal→BTU Calorie → Electronvolt cal→eV Calorie → Therm cal→thm Kilocalorie → Joule kcal→J Kilocalorie → Kilojoule kcal→kJ Kilocalorie → Calorie kcal→cal Kilocalorie → Watt Hour kcal→Wh Kilocalorie → Kilowatt Hour kcal→kWh Kilocalorie → BTU kcal→BTU Kilocalorie → Electronvolt kcal→eV Kilocalorie → Therm kcal→thm Watt Hour → Joule Wh→J Watt Hour → Kilojoule Wh→kJ Watt Hour → Calorie Wh→cal Watt Hour → Kilocalorie Wh→kcal Watt Hour → Kilowatt Hour Wh→kWh Watt Hour → BTU Wh→BTU Watt Hour → Electronvolt Wh→eV Watt Hour → Therm Wh→thm Kilowatt Hour → Joule kWh→J Kilowatt Hour → Kilojoule kWh→kJ Kilowatt Hour → Calorie kWh→cal Kilowatt Hour → Kilocalorie kWh→kcal Kilowatt Hour → Watt Hour kWh→Wh Kilowatt Hour → BTU kWh→BTU Kilowatt Hour → Electronvolt kWh→eV Kilowatt Hour → Therm kWh→thm BTU → Joule BTU→J BTU → Kilojoule BTU→kJ BTU → Calorie BTU→cal BTU → Kilocalorie BTU→kcal BTU → Watt Hour BTU→Wh BTU → Kilowatt Hour BTU→kWh BTU → Electronvolt BTU→eV BTU → Therm BTU→thm Electronvolt → Joule eV→J Electronvolt → Kilojoule eV→kJ Electronvolt → Calorie eV→cal Electronvolt → Kilocalorie eV→kcal
And 12 more conversions...