Btu to Attojoule converter

1 Btu = 1.055056 × 10²¹ attojoule1 attojoule = 9.478171 × 10⁻²² Btu


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The result of your conversion between Btu and attojoule appears here

How to convert Btu to Attojoule

Multiply the value in Btu by 1.055056 × 10²¹ to get the result in attojoule.

Example: 5 Btu × 1.055056 × 10²¹ = 5.27528 × 10²¹ aJ

Btu to Attojoule conversion table

BtuAttojoule
0.1 Btu1.055056 × 10²⁰ aJ
0.5 Btu5.27528 × 10²⁰ aJ
1 Btu1.055056 × 10²¹ aJ
2 Btu2.110112 × 10²¹ aJ
3 Btu3.165168 × 10²¹ aJ
4 Btu4.220224 × 10²¹ aJ
5 Btu5.27528 × 10²¹ aJ
10 Btu1.055056 × 10²² aJ
15 Btu1.582584 × 10²² aJ
20 Btu2.110112 × 10²² aJ
25 Btu2.63764 × 10²² aJ
50 Btu5.27528 × 10²² aJ
100 Btu1.055056 × 10²³ aJ
500 Btu5.27528 × 10²³ aJ
1,000 Btu1.055056 × 10²⁴ aJ
AttojouleBtu
0.1 aJ9.478171 × 10⁻²³ Btu
0.5 aJ4.739085 × 10⁻²² Btu
1 aJ9.478171 × 10⁻²² Btu
2 aJ1.895634 × 10⁻²¹ Btu
3 aJ2.843451 × 10⁻²¹ Btu
4 aJ3.791268 × 10⁻²¹ Btu
5 aJ4.739085 × 10⁻²¹ Btu
10 aJ9.478171 × 10⁻²¹ Btu
15 aJ1.421726 × 10⁻²⁰ Btu
20 aJ1.895634 × 10⁻²⁰ Btu
25 aJ2.369543 × 10⁻²⁰ Btu
50 aJ4.739085 × 10⁻²⁰ Btu
100 aJ9.478171 × 10⁻²⁰ Btu
500 aJ4.739085 × 10⁻¹⁹ Btu
1,000 aJ9.478171 × 10⁻¹⁹ Btu

Frequently asked questions

How much is 1 Btu in attojoule?

1 Btu = 1.055056 × 10²¹ attojoule.

How much is 1 attojoule in Btu?

1 attojoule = 9.478171 × 10⁻²² Btu.

How do I convert Btu to attojoule?

Multiply the value in Btu by 1.055056 × 10²¹ to get the result in attojoule. Example: 5 Btu × 1.055056 × 10²¹ = 5.27528 × 10²¹ aJ.

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 Attojoule

Attojoule (aJ) is a unit of energy.

1 attojoule = 1 × 10⁻¹⁸ joule (J)
1 attojoule = 2.388459 × 10⁻¹⁹ calorie [I.T.] (cal)
1 joule = 1 × 10¹⁸ attojoule

The SI prefix atto- stands for 10⁻¹⁸, so 1 attojoule = 10⁻¹⁸ joule.

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

Convert Btu to other units

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 femtojoule 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