Energy Converter
Convert between 7 different energy units instantly
Joule1 J
Calorie0.239006 cal
Kilocalorie0.000239 kcal
Watt-hour0.000278 Wh
Kilowatt-hour0 kWh
BTU0.000948 BTU
Electronvolt6.2415e+18 eV
常见换算系数
焦耳到卡路里
1 J = 0.239006 cal千卡到焦耳
1 kcal = 4184 J瓦时到焦耳
1 Wh = 3600 J千瓦时到焦耳
1 kWh = 3600000 J英热单位到焦耳
1 BTU = 1055.06 J卡路里到千卡
1 cal = 0.001 kcal电子伏特到焦耳
1 eV = 1.602e-19 J英热单位到千卡
1 BTU = 0.252164 kcalAbout Energy Conversion
Energy is the capacity to do work, and it comes in many forms including thermal, electrical, chemical, and kinetic energy. Different fields use different units to measure energy.
The SI unit of energy is the joule (J). Calories and kilocalories are commonly used in nutrition, kilowatt-hours for electricity billing, BTU in heating and cooling systems, and electronvolts in particle physics.
This converter supports all major energy units, making it useful for physics calculations, nutrition planning, energy cost analysis, and scientific research.
Energy Converter - Convert between 7 different energy units instantly
Joule → CalorieJoule → KilocalorieJoule → Watt-hourJoule → Kilowatt-hourJoule → BTUJoule → ElectronvoltCalorie → JouleCalorie → KilocalorieCalorie → Watt-hourCalorie → Kilowatt-hourCalorie → BTUCalorie → ElectronvoltKilocalorie → JouleKilocalorie → CalorieKilocalorie → Watt-hourKilocalorie → Kilowatt-hourKilocalorie → BTUKilocalorie → ElectronvoltWatt-hour → JouleWatt-hour → CalorieWatt-hour → KilocalorieWatt-hour → Kilowatt-hourWatt-hour → BTUWatt-hour → ElectronvoltKilowatt-hour → JouleKilowatt-hour → CalorieKilowatt-hour → KilocalorieKilowatt-hour → Watt-hourKilowatt-hour → BTUKilowatt-hour → ElectronvoltBTU → JouleBTU → CalorieBTU → KilocalorieBTU → Watt-hourBTU → Kilowatt-hourBTU → ElectronvoltElectronvolt → JouleElectronvolt → CalorieElectronvolt → KilocalorieElectronvolt → Watt-hourElectronvolt → Kilowatt-hourElectronvolt → BTU