Kilojoule to Femtojoule converter

1 kilojoule = 1 × 10¹⁸ femtojoule1 femtojoule = 1 × 10⁻¹⁸ kilojoule


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The result of your conversion between kilojoule and femtojoule appears here

How to convert Kilojoule to Femtojoule

Multiply the value in kilojoule by 1 × 10¹⁸ to get the result in femtojoule.

Example: 5 kJ × 1 × 10¹⁸ = 5 × 10¹⁸ fJ

Kilojoule to Femtojoule conversion table

KilojouleFemtojoule
0.1 kJ1 × 10¹⁷ fJ
0.5 kJ5 × 10¹⁷ fJ
1 kJ1 × 10¹⁸ fJ
2 kJ2 × 10¹⁸ fJ
3 kJ3 × 10¹⁸ fJ
4 kJ4 × 10¹⁸ fJ
5 kJ5 × 10¹⁸ fJ
10 kJ1 × 10¹⁹ fJ
15 kJ1.5 × 10¹⁹ fJ
20 kJ2 × 10¹⁹ fJ
25 kJ2.5 × 10¹⁹ fJ
50 kJ5 × 10¹⁹ fJ
100 kJ1 × 10²⁰ fJ
500 kJ5 × 10²⁰ fJ
1,000 kJ1 × 10²¹ fJ
FemtojouleKilojoule
0.1 fJ1 × 10⁻¹⁹ kJ
0.5 fJ5 × 10⁻¹⁹ kJ
1 fJ1 × 10⁻¹⁸ kJ
2 fJ2 × 10⁻¹⁸ kJ
3 fJ3 × 10⁻¹⁸ kJ
4 fJ4 × 10⁻¹⁸ kJ
5 fJ5 × 10⁻¹⁸ kJ
10 fJ1 × 10⁻¹⁷ kJ
15 fJ1.5 × 10⁻¹⁷ kJ
20 fJ2 × 10⁻¹⁷ kJ
25 fJ2.5 × 10⁻¹⁷ kJ
50 fJ5 × 10⁻¹⁷ kJ
100 fJ1 × 10⁻¹⁶ kJ
500 fJ5 × 10⁻¹⁶ kJ
1,000 fJ1 × 10⁻¹⁵ kJ

Frequently asked questions

How much is 1 kilojoule in femtojoule?

1 kilojoule = 1 × 10¹⁸ femtojoule.

How much is 1 femtojoule in kilojoule?

1 femtojoule = 1 × 10⁻¹⁸ kilojoule.

How do I convert kilojoule to femtojoule?

Multiply the value in kilojoule by 1 × 10¹⁸ to get the result in femtojoule. Example: 5 kJ × 1 × 10¹⁸ = 5 × 10¹⁸ fJ.

About Kilojoule

Kilojoule (kJ) is a unit of energy.

1 kilojoule = 1,000 joule (J)
1 kilojoule = 238.8459 calorie [I.T.] (cal)
1 joule = 0.001 kilojoule

The SI prefix kilo- stands for 1,000, so 1 kilojoule = 1,000 joule.

Use the converter above to convert kilojoule into any other unit of energy.

About Femtojoule

Femtojoule (fJ) is a unit of energy.

1 femtojoule = 1 × 10⁻¹⁵ joule (J)
1 femtojoule = 2.388459 × 10⁻¹⁶ calorie [I.T.] (cal)
1 joule = 1 × 10¹⁵ femtojoule

The SI prefix femto- stands for 10⁻¹⁵, so 1 femtojoule = 10⁻¹⁵ joule.

Use the converter above to convert femtojoule into any other unit of energy.

Convert kilojoule to other units

attojoule Board of Trade unit Btu Btu [thermochemical] calorie [I.T.] calorie [15° C] Calorie [nutritional] calorie [thermochemical] celsius heat unit centijoule cheval vapeur heure decijoule dekajoule dekawatt hour dekatherm electronvolt erg exajoule exawatt hour foot pound foot poundal gallon [UK] of automotive gasoline gallon [U.S.] of automotive gasoline gallon [UK] of aviation gasoline gallon [U.S.] of aviation gasoline gallon [UK] of diesel oil gallon [U.S.] of diesel oil gallon [UK] of distilate #2 fuel oil gallon [U.S.] of distilate #2 fuel oil gallon [UK] of kerosene type jet fuel gallon [U.S.] of kerosene type jet fuel gallon [UK] of LPG gallon [U.S.] of LPG gallon [UK] of naphtha type jet fuel gallon [U.S.] of naphtha type jet fuel gallon [UK] of kerosene gallon [U.S.] of kerosene gallon [UK] of residual fuel oil gallon [U.S.] of residual fuel oil gigaelectronvolt gigacalorie [I.T.] gigacalorie [15° C] gigajoule gigawatt hour gram calorie hartree hectojoule hectowatt hour horsepower hour hundred cubic foot of natural gas inch ounce inch pound joule kilocalorie [15° C] kilocalorie [I.T.] kilocalorie [thermochemical] kiloelectronvolt kilogram calorie kilogram-force meter kilopond meter kiloton [explosive] kilowatt hour liter atmosphere megaelectronvolt megacalorie [I.T.] megacalorie [15° C] megajoule megalerg megaton [explosive] megawatthour meter kilogram-force microjoule millijoule myriawatt hour nanojoule newton meter petajoule petawatthour pferdestärkenstunde picojoule Q unit quad teraelectronvolt terajoule terawatthour therm [Europe] therm [U.S. (uncommon)] thermie ton [explosive] tonne of coal equivalent tonne of oil equivalent watthour wattsecond yoctojoule yottajoule yottawatthour zeptojoule zettajoule zettawatthour