How many therms are in 1 British thermal unit?

1 British thermal unit equals 0.0000100024 thm.

How do I convert therms back to British thermal units?

Use the reverse converter: 1 therm equals 99976.1 BTU.

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert British thermal units to therms, multiply the value by 0.0000100023877.

thm = BTU × 0.0000100023877

40 BTU × 0.0000100023877 = 0.0004001 thm

British Thermal Unit (BTU): Used for heating, cooling and gas in the US. The IT BTU is about 1,055.056 joules.
Therm (thm): Used for natural gas billing in the US and UK. The US therm is 100,000 BTU (105,480,400 J).

How do I convert British thermal units to therms?: To convert British thermal units to therms, multiply the value by 0.0000100023877.
How many therms are in 1 British thermal unit?: 1 British thermal unit equals 0.0000100024 thm.
How many therms are in 10 British thermal units?: 10 BTU equals 0.000100024 thm.
How do I convert therms back to British thermal units?: Use the reverse converter: 1 therm equals 99976.1 BTU.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.