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Therms to British Thermal Units

Convert therms (thm) to British thermal units (BTU). Type in either box; the other updates as you go.

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1 thm = 100,000 BTU

1 therm equals100,000 BTU
1 British thermal unit equals0.00001 thm
FormulaBTU = thm × 100,000

How to convert therms to British thermal units

To convert therms to British thermal units, multiply the number of therms by 100,000.

BTU = thm × 100,000

Example

Convert 5 therms to British thermal units:

5 thm × 100,000 = 500,000 BTU

Therm to British thermal unit conversion chart

Therms (thm)British Thermal Units (BTU)
1 thm100,000 BTU
2 thm200,000 BTU
3 thm300,000 BTU
4 thm400,000 BTU
5 thm500,000 BTU
6 thm600,000 BTU
7 thm700,000 BTU
8 thm800,000 BTU
9 thm900,000 BTU
10 thm1,000,000 BTU
12 thm1,200,000 BTU
15 thm1,500,000 BTU
20 thm2,000,000 BTU
25 thm2,500,000 BTU
30 thm3,000,000 BTU
40 thm4,000,000 BTU
50 thm5,000,000 BTU
60 thm6,000,000 BTU
70 thm7,000,000 BTU
75 thm7,500,000 BTU
80 thm8,000,000 BTU
90 thm9,000,000 BTU
100 thm10,000,000 BTU
150 thm15,000,000 BTU
200 thm20,000,000 BTU
250 thm25,000,000 BTU
500 thm50,000,000 BTU
1,000 thm100,000,000 BTU

Going the other way? See the British thermal units to therms chart.

About the units

Therm (thm)

A therm is 100,000 BTU. US natural gas bills are often charged per therm.

British Thermal Unit (BTU)

A British thermal unit (International Table) is about 1,055 joules, the heat that warms one pound of water by one degree Fahrenheit.

Frequently asked questions

How many British thermal units are in a therm?

There are 100,000 British thermal units in a therm.

How many therms are in a British thermal unit?

There are 0.00001 therms in a British thermal unit.

How do you convert therms to British thermal units?

To convert therms to British thermal units, multiply the number of therms by 100,000.

What is 5 therms in British thermal units?

5 therms equals 500,000 British thermal units.

Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.