Convert joule/cubic meter to btu (th)/cubic foot

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Joule/Cubic Meter

The joule per cubic metre (J/m³) is the SI unit of volumetric energy density. It expresses the amount of energy contained in or released per unit volume of a substance. Used in thermodynamics and fuel science to compare energy content of gases and liquids on a volumetric basis. 


Btu (th)/Cubic Foot

The thermochemical British thermal unit per cubic foot (Btu(th)/ft³) uses the thermochemical BTU (1054.35 J) to express volumetric energy density. It is slightly different from the IT version and used in thermochemical research and precise combustion calorimetry. 


Joule/Cubic Meter to Btu (th)/Cubic Foot conversion table
Joule/Cubic MeterBtu (th)/Cubic FootBtu (th)/Cubic FootJoule/Cubic Meter
12.686E-05137234
25.371E-05274468.1
38.057E-053111702
50.00013435186170
100.000268610372340
200.000537120744681
250.000671425930851
500.00134286501.8617E+06
1000.002685721003.7234E+06
2500.006714292509.30851E+06
5000.01342865001.8617E+07
10000.026857210003.7234E+07
How to convert Joule/Cubic Meter to Btu (th)/Cubic Foot

1 J/m³ = 2.686E-05 Btu(th)/ft³. To convert any value, multiply it by 2.686E-05. For example, 25 J/m³ = 0.0006714 Btu(th)/ft³.

Frequently asked questions
How many Btu(th)/ft³ are there in one J/m³?
One J/m³ is equal to 2.686E-05 Btu(th)/ft³.
How do you convert Joule/Cubic Meter to Btu (th)/Cubic Foot?
Multiply the value in Joule/Cubic Meter by 2.686E-05 to get the result in Btu (th)/Cubic Foot.
How much is 25 J/m³ in Btu(th)/ft³?
25 J/m³ is equal to 0.0006714 Btu(th)/ft³.
How do you convert Btu (th)/Cubic Foot back to Joule/Cubic Meter?
Divide by the same factor: multiply the value in Btu (th)/Cubic Foot by 37234 to get Joule/Cubic Meter.

Most common fuel efficiency - volume unit conversions