Convert joule to therm (us)
Enter the value to convert from joule to therm (us).
How to Convert Joule to Therm (US)
Converting joule to therm (us) is straightforward using our conversion calculator.
Conversion Formula
thm = J ÷ 105505585.262Reverse conversion: Convert therm (us) to joule
Comparison: Joule vs Therm-us
When to Use Each Unit
Joule: Universal scientific unit for all forms of energy: mechanical, electrical, thermal, chemical, and nuclear energy worldwide.
Therm-us: Standard unit for natural gas billing, heating system specifications, and large-scale thermal energy in the US.
Common Conversion Values
- 1000 J = 1 kJ
- 1 J ≈ 0.239 cal
- 3,600,000 J = 1 kWh
- 1 J ≈ 0.738 ft⋅lbf
About Joule
Definition: The joule (symbol: J) is the SI unit of energy, equal to the energy expended when applying one newton of force through one meter of distance.
History: Named after English physicist James Prescott Joule in 1889. Established the mechanical equivalent of heat and energy conservation.
Current Use: Universal scientific unit for all forms of energy: mechanical, electrical, thermal, chemical, and nuclear energy worldwide.
Examples: Apple: 350,000 J, car battery: 4.3 MJ, lightning bolt: 1-5 billion J, human daily intake: 8-10 MJ
About US
Definition: The US therm is equal to 100,000 BTU, commonly used for natural gas billing and large heating applications.
History: Developed for natural gas industry billing to provide convenient units for large energy quantities.
Current Use: Standard unit for natural gas billing, heating system specifications, and large-scale thermal energy in the US.
Examples: Home heating: 50-150 therms/month, natural gas bill: $1-2/therm, hot water: 20-40 therms/month, cooking: 5-10 therms/month