As we know One J is equal to 0.001 kJ (1 J = 0.001 kJ).

To convert Joule to Kilojoule, multiply your J figure by 0.001.

** Example : **convert 25 J to kJ:

25 J = 25 × 0.001 kJ = kJ

To convert Kilojoule to Joule, divide your kJ figure by 0.001.

** Example : **convert 25 kJ to J:

25 kJ = 25 ÷ 0.001 J = J

As we know One kJ is equal to 1000 J (1 kJ = 1000 J).

To convert Kilojoule to Joule, multiply your kJ figure by 1000.

** Example : **convert 45 kJ to J:

45 kJ = 45 × 1000 J = J

To convert Joule to Kilojoule, divide your J figure by 1000.

** Example : **convert 45 J to kJ:

45 J = 45 ÷ 1000 kJ = kJ

J to kJ | 1 J = 0.001 kJ |

J to kW·h | 1 J = 2.777777777E-7 kW·h |

J to W·h | 1 J = 0.0002777778 W·h |

J to calorie (nutritional) | 1 J = 0.0002388459 calorie (nutritional) |

J to hp·h (metric) | 1 J = 3.776726714E-7 hp·h (metric) |

J to Btu | 1 J = 0.0009478171 Btu |

J to Btu (th) | 1 J = 0.0009484517 Btu (th) |

J to GJ | 1 J = 9.999999999E-10 GJ |

J to MJ | 1 J = 0.000001 MJ |

J to mJ | 1 J = 1000 mJ |

J to uJ | 1 J = 1000000 uJ |

J to nJ | 1 J = 1000000000 nJ |

J to aJ | 1 J = 1000000000000000000 aJ |

J to MeV | 1 J = 6241509074461 MeV |

J to keV | 1 J = 6241509074461000 keV |

J to eV | 1 J = 6241509074461000000 eV |

J to erg | 1 J = 10000000 erg |

J to GW·h | 1 J = 2.777777777E-13 GW·h |

J to MW·h | 1 J = 2.777777777E-10 MW·h |

J to kW·s | 1 J = 0.001 kW·s |

J to W·s | 1 J = 1 W·s |

J to N·m | 1 J = 1 N·m |

J to hp·h | 1 J = 3.725061361E-7 hp·h |

J to kcal (IT) | 1 J = 0.0002388459 kcal (IT) |

J to kcal (th) | 1 J = 0.0002390057 kcal (th) |

J to cal (IT) | 1 J = 0.2388458966 cal (IT) |

J to cal (th) | 1 J = 0.2390057361 cal (th) |

J to MBtu (IT) | 1 J = 9.478171203E-10 MBtu (IT) |

J to TR·h | 1 J = 7.898476002E-8 TR·h |

J to fuel oil equivalent @kiloliter | 1 J = 2.487708977E-11 fuel oil equivalent @kiloliter |

J to fuel oil equivalent @barrel | 1 J = 1.566639868E-10 fuel oil equivalent @barrel |

J to Gton | 1 J = 2.390057361E-19 Gton |

J to Mton | 1 J = 2.390057361E-16 Mton |

J to kton | 1 J = 2.390057361E-13 kton |

J to ton (explosives) | 1 J = 2.390057361E-10 ton (explosives) |

J to dyn·cm | 1 J = 10000000 dyn·cm |

J to gf·m | 1 J = 101.9716213 gf·m |

J to gf·cm | 1 J = 10197.16213 gf·cm |

J to kgf·cm | 1 J = 10.19716213 kgf·cm |

J to kgf·m | 1 J = 0.1019716213 kgf·m |

J to kp·m | 1 J = 0.1019716213 kp·m |

J to lbf·ft | 1 J = 0.7375621493 lbf·ft |

J to lbf·in | 1 J = 8.8507457916 lbf·in |

J to ozf·in | 1 J = 141.61193267 ozf·in |

J to ft·lbf | 1 J = 0.7375621493 ft·lbf |

J to in·lbf | 1 J = 8.8507457916 in·lbf |

J to in·ozf | 1 J = 141.61193267 in·ozf |

J to pdl·ft | 1 J = 23.730360457 pdl·ft |

J to therm | 1 J = 9.478169879E-9 therm |

J to therm (EC) | 1 J = 9.478169879E-9 therm (EC) |

J to therm (US) | 1 J = 9.480434279E-9 therm (US) |

J to Hartree energy | 1 J = 229371044869059970 Hartree energy |

J to Rydberg constant | 1 J = 458742089738119940 Rydberg constant |

** kJ.** Since one J equals 0.001 kJ, 9 J in kJ will be kJ.

There are **0.001 kJ** in one J. In turn, one kJ is equal to 1000 J.

1 kJ is approximately equal to 1000 J.

The Joule value of 8 kJ is J. (i.e.,) 8 x 1000 = J.

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