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Million Btu to Therms Converter

Convert million Btu (MMBtu) to therms (100,000 Btu) (thm), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

About valueA number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
About toThe unit you want the answer in. Swap exchanges the two units.
Result
Result
10 thm
joules (watt-seconds)
1,055,055,852.62 J
kilojoules
1,055,055.85262 kJ
megajoules
1,055.05585262 MJ
gigajoules
1.05505585262 GJ
calories (thermochemical)
252,164,400.722 cal
kilocalories (food Calories)
252,164.400722 kcal
megacalories
252.164400722 Mcal
watt-hours
293,071.070172 Wh
kilowatt-hours
293.071070172 kWh
megawatt-hours
0.293071070172 MWh
British thermal units (IT)
1,000,000 Btu
quads (10¹⁵ Btu)
1 × 10⁻⁹ quad
electronvolts
6.58514067819 × 10²⁷ eV
kiloelectronvolts
6.58514067819 × 10²⁴ keV
megaelectronvolts
6.58514067819 × 10²¹ MeV

1 MMBtu = 10 thm

Show the working
  1. 1 MMBtu = 10 thm
  2. 1 × 10 = 10 thm

How to convert million btu to therms

1 MMBtu = 10 thm, so multiply by 10 to go from million Btu to therms (100,000 Btu). Going the other way, 1 thm = 0.1 MMBtu.

thm = MMBtu × 10
MMBtu = thm × 0.1

Worked example:

1 MMBtu = 10 thm
5 × 10 = 50 thm

Million Btu to therms table

Million BtuTherms
1 MMBtu10 thm
2 MMBtu20 thm
3 MMBtu30 thm
4 MMBtu40 thm
5 MMBtu50 thm
6 MMBtu60 thm
7 MMBtu70 thm
8 MMBtu80 thm
9 MMBtu90 thm
10 MMBtu100 thm
15 MMBtu150 thm
20 MMBtu200 thm
25 MMBtu250 thm
30 MMBtu300 thm
40 MMBtu400 thm
50 MMBtu500 thm
75 MMBtu750 thm
100 MMBtu1,000 thm
250 MMBtu2,500 thm
500 MMBtu5,000 thm
1000 MMBtu10,000 thm

About the units

Million Btu (MMBtu)
Million Btu, a US customary unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.
Therms (thm)
Therms (100,000 Btu), a US customary unit. The EC/IT therm; the US therm is 105,480,400 J, 0.02% smaller. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.

Formula version 0.1.0Reviewed