Convert joule/kilogram to btu (th)/pound

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Joule/Kilogram

The joule per kilogram (J/kg) is the SI unit of specific energy or fuel efficiency per unit mass. It represents the amount of energy released or consumed per kilogram of fuel. It is used in thermodynamics and fuel science to compare the energy content of different materials on a mass basis. 


Btu (th)/Pound

The thermochemical British thermal unit per pound (Btu(th)/lb) is based on the thermochemical BTU, which equals 1054.35 J. Slightly different from the IT Btu/lb, it is used in thermochemistry for precise calorimetric calculations involving solid and liquid fuels. 


Joule/Kilogram to Btu (th)/Pound conversion table
Joule/KilogramBtu (th)/PoundBtu (th)/PoundJoule/Kilogram
10.000430212324.44
20.000860424648.89
30.0012906336973.33
50.00215105511622.2
100.00430211023244.4
200.008604212046488.9
250.01075532558111.1
500.021510550116222
1000.043021100232444
2500.107553250581111
5000.2151055001.16222E+06
10000.4302110002.32444E+06
How to convert Joule/Kilogram to Btu (th)/Pound

1 J/kg = 0.0004302 Btu(th)/lb. To convert any value, multiply it by 0.0004302. For example, 25 J/kg = 0.0107553 Btu(th)/lb.

Frequently asked questions
How many Btu(th)/lb are there in one J/kg?
One J/kg is equal to 0.0004302 Btu(th)/lb.
How do you convert Joule/Kilogram to Btu (th)/Pound?
Multiply the value in Joule/Kilogram by 0.0004302 to get the result in Btu (th)/Pound.
How much is 25 J/kg in Btu(th)/lb?
25 J/kg is equal to 0.0107553 Btu(th)/lb.
How do you convert Btu (th)/Pound back to Joule/Kilogram?
Divide by the same factor: multiply the value in Btu (th)/Pound by 2324.44 to get Joule/Kilogram.

Most common fuel efficiency - mass unit conversions