Energy Converter

Convert energy values from one unit to another. Choose the unit you have, choose the unit you want, and the result appears at once.

Energy Converter

1 joule = 0.001 kilojoule

Base unit of this converter: joule [J]. The answer updates while you type.

joule to kilojoule Conversion Table

joule [J]kilojoule [kJ]
0.010.00001
0.10.0001
10.001
20.002
30.003
50.005
100.01
200.02
500.05
1000.1
10001

How to Convert Energy

Every unit on this page is linked to one base unit: joule [J]. To move from one unit to another, the value first goes to the base unit and then to the unit you asked for.

  • 1 joule = 0.001 kilojoule
  • 1 kilojoule = 1000 joule
  • Example: 15 joule = 0.015 kilojoule

1 joule in Other Units

UnitValue of 1 joule
kilojoule [kJ]0.001
kilowatt-hour [kW*h]0.000000277778
watt-hour [W*h]0.000277777778
calorie (nutritional) [cal (nutritional)]0.000238845897
horsepower (metric) hour [hp*h]0.000000377673
Btu (IT) [Btu (IT)]0.00094781712
Btu (th) [Btu (th)]0.000948451653
gigaton [Gton]2.390057361E-19
megaton [Mton]2.390057361E-16
kiloton [kton]2.390057361E-13
ton (explosives)2.390057361E-10
dyne centimeter [dyn*cm]10000000
gram-force meter [gf*m]101.971621298
gram-force centimeter10197.162129799999
kilogram-force centimeter10.1971621298
kilogram-force meter0.101971621298
kilopond meter [kp*m]0.101971621298
pound-force foot [lbf*ft]0.737562149294