Btu to Femtojoule converter

1 Btu = 1.055056 × 10¹⁸ femtojoule1 femtojoule = 9.478171 × 10⁻¹⁹ Btu


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The result of your conversion between Btu and femtojoule appears here

How to convert Btu to Femtojoule

Multiply the value in Btu by 1.055056 × 10¹⁸ to get the result in femtojoule.

Example: 5 Btu × 1.055056 × 10¹⁸ = 5.27528 × 10¹⁸ fJ

Btu to Femtojoule conversion table

BtuFemtojoule
0.1 Btu1.055056 × 10¹⁷ fJ
0.5 Btu5.27528 × 10¹⁷ fJ
1 Btu1.055056 × 10¹⁸ fJ
2 Btu2.110112 × 10¹⁸ fJ
3 Btu3.165168 × 10¹⁸ fJ
4 Btu4.220224 × 10¹⁸ fJ
5 Btu5.27528 × 10¹⁸ fJ
10 Btu1.055056 × 10¹⁹ fJ
15 Btu1.582584 × 10¹⁹ fJ
20 Btu2.110112 × 10¹⁹ fJ
25 Btu2.63764 × 10¹⁹ fJ
50 Btu5.27528 × 10¹⁹ fJ
100 Btu1.055056 × 10²⁰ fJ
500 Btu5.27528 × 10²⁰ fJ
1,000 Btu1.055056 × 10²¹ fJ
FemtojouleBtu
0.1 fJ9.478171 × 10⁻²⁰ Btu
0.5 fJ4.739085 × 10⁻¹⁹ Btu
1 fJ9.478171 × 10⁻¹⁹ Btu
2 fJ1.895634 × 10⁻¹⁸ Btu
3 fJ2.843451 × 10⁻¹⁸ Btu
4 fJ3.791268 × 10⁻¹⁸ Btu
5 fJ4.739085 × 10⁻¹⁸ Btu
10 fJ9.478171 × 10⁻¹⁸ Btu
15 fJ1.421726 × 10⁻¹⁷ Btu
20 fJ1.895634 × 10⁻¹⁷ Btu
25 fJ2.369543 × 10⁻¹⁷ Btu
50 fJ4.739085 × 10⁻¹⁷ Btu
100 fJ9.478171 × 10⁻¹⁷ Btu
500 fJ4.739085 × 10⁻¹⁶ Btu
1,000 fJ9.478171 × 10⁻¹⁶ Btu

Frequently asked questions

How much is 1 Btu in femtojoule?

1 Btu = 1.055056 × 10¹⁸ femtojoule.

How much is 1 femtojoule in Btu?

1 femtojoule = 9.478171 × 10⁻¹⁹ Btu.

How do I convert Btu to femtojoule?

Multiply the value in Btu by 1.055056 × 10¹⁸ to get the result in femtojoule. Example: 5 Btu × 1.055056 × 10¹⁸ = 5.27528 × 10¹⁸ fJ.

About Btu

Btu (Btu) is a unit of energy.

1 Btu = 1,055.056 joule (J)
1 Btu = 251.9958 calorie [I.T.] (cal)
1 joule = 0.0009478171 Btu

Use the converter above to convert Btu 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 Btu to other units

attojoule Board of Trade unit 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 kilojoule 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