Convert therm (us)s to british thermal units
1 thm = 99976.1289775 BTU — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 39 energy & work units
- Petajoules PJ 0.000 000 105 480 4
- Terajoules TJ 0.000 105 480 4
- Gigajoules GJ 0.105 480 4
- Megajoules MJ 105.4804
- Kilojoules kJ 105 480.4
- Joules J 105 480 400
- Millijoules mJ 105 480 400 000
- Microjoules µJ 105 480 400 000 000
- Nanojoules nJ 1.054804e+17
- Watt-hours Wh 29 300.111 111 1
- Kilowatt-hours kWh 29.300 111 111 1
- Megawatt-hours MWh 0.029 300 111 111 1
- Gigawatt-hours GWh 0.000 029 300 111 111 1
- Terawatt-hours TWh 2.93001111111e-8
- Calorie (thermochemical)s cal 25 210 420.6501
- Kilocalories kcal 25 210.420 650 1
- Calorie (IT)s cal (IT) 25 193 560.7146
- Kilocalorie (IT)s kcal (IT) 25 193.560 714 6
- British thermal units BTU 99 976.128 977 5
- BTU (thermochemical)s BTU (th) 100 043.059 705
- Million BTUs MMBTU 0.099 976 128 977 5
- Therm (US)s thm 1
- Therm (EC)s thm (EC) 0.999 761 150 119
- Electronvolts eV 6.58356873778e+26
- Kiloelectronvolts keV 6.58356873778e+23
- Megaelectronvolts MeV 6.58356873778e+20
- Gigaelectronvolts GeV 6.58356873778e+17
- Teraelectronvolts TeV 658 356 873 778 000
- Ergs erg 1 054 804 000 000 000
- Foot-pounds ft·lbf 77 798 350.5306
- Inch-pounds in·lbf 933 580 206.368
- Foot-poundals ft·pdl 2 503 087 907.58
- Horsepower-hours hp·h 39.292 096 227 6
- Tonne of TNTs t TNT 0.025 210 420 650 1
- Kiloton of TNTs kt TNT 0.000 025 210 420 650 1
- Megaton of TNTs Mt TNT 2.52104206501e-8
- Hartrees Eₕ 2.4194168861e+25
- Rydbergs Ry 4.8388337722e+25
- Quads quad 9.99761289775e-11
Every row is Therm (US) (thm) converted through the joule, in exact rational arithmetic.
How to convert therm (us)s to british thermal units
Multiply the number of therm (us)s by 99976.1289775 to get british thermal units.
Therm (US): Gas billing in the US.
British thermal unit: International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.
Therm (US) to British thermal unit conversion table
| Therm (US)s (thm) | British thermal units (BTU) |
|---|---|
| 1 thm | 99 976.129 |
| 2 thm | 199 952.26 |
| 3 thm | 299 928.39 |
| 5 thm | 499 880.64 |
| 10 thm | 999 761.29 |
| 20 thm | 1 999 522.6 |
| 25 thm | 2 499 403.2 |
| 50 thm | 4 998 806.4 |
| 100 thm | 9 997 612.9 |
| 250 thm | 24 994 032 |
| 500 thm | 49 988 064 |
| 1000 thm | 99 976 129 |
British thermal unit to Therm (US) conversion table
| British thermal units (BTU) | Therm (US)s (thm) |
|---|---|
| 1 BTU | 0.000 010 002 388 |
| 2 BTU | 0.000 020 004 775 |
| 3 BTU | 0.000 030 007 163 |
| 5 BTU | 0.000 050 011 938 |
| 10 BTU | 0.000 100 023 88 |
| 20 BTU | 0.000 200 047 75 |
| 25 BTU | 0.000 250 059 69 |
| 50 BTU | 0.000 500 119 38 |
| 100 BTU | 0.001 000 238 8 |
| 250 BTU | 0.002 500 596 9 |
| 500 BTU | 0.005 001 193 8 |
| 1000 BTU | 0.010 002 388 |
Frequently asked
How many british thermal units are in a therm (us)?
One therm (us) equals 99976.12898 british thermal units (thm → BTU). That figure is exact, not rounded.
How do you convert therm (us)s to british thermal units?
Multiply the number of therm (us)s by 99976.1289775 to get british thermal units.
What is 1 BTU in therm (us)s?
One british thermal unit is 0.00001000238767 therm (us)s.
What is 10 thm in BTU?
10 thm = 999 761.29 BTU.
What exactly is a therm (us)?
Gas billing in the US.
What exactly is a british thermal unit?
International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.