Convert therm (us)s to calorie (thermochemical)s
1 thm = 25210420.6501 cal — 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 calorie (thermochemical)s
Multiply the number of therm (us)s by 25210420.6501 to get calorie (thermochemical)s.
Therm (US): Gas billing in the US.
Calorie (thermochemical): Exactly 4.184 J. The "small" calorie.
Therm (US) to Calorie (thermochemical) conversion table
| Therm (US)s (thm) | Calorie (thermochemical)s (cal) |
|---|---|
| 1 thm | 25 210 421 |
| 2 thm | 50 420 841 |
| 3 thm | 75 631 262 |
| 5 thm | 126 052 100 |
| 10 thm | 252 104 210 |
| 20 thm | 504 208 410 |
| 25 thm | 630 260 520 |
| 50 thm | 1 260 521 000 |
| 100 thm | 2 521 042 100 |
| 250 thm | 6 302 605 200 |
| 500 thm | 12 605 210 000 |
| 1000 thm | 25 210 421 000 |
Calorie (thermochemical) to Therm (US) conversion table
| Calorie (thermochemical)s (cal) | Therm (US)s (thm) |
|---|---|
| 1 cal | 3.9666137e-8 |
| 2 cal | 7.9332274e-8 |
| 3 cal | 0.000 000 118 998 41 |
| 5 cal | 0.000 000 198 330 69 |
| 10 cal | 0.000 000 396 661 37 |
| 20 cal | 0.000 000 793 322 74 |
| 25 cal | 0.000 000 991 653 43 |
| 50 cal | 0.000 001 983 306 9 |
| 100 cal | 0.000 003 966 613 7 |
| 250 cal | 0.000 009 916 534 3 |
| 500 cal | 0.000 019 833 069 |
| 1000 cal | 0.000 039 666 137 |
Frequently asked
How many calorie (thermochemical)s are in a therm (us)?
One therm (us) equals 25210420.65 calorie (thermochemical)s (thm → cal). That figure is exact, not rounded.
How do you convert therm (us)s to calorie (thermochemical)s?
Multiply the number of therm (us)s by 25210420.6501 to get calorie (thermochemical)s.
What is 1 cal in therm (us)s?
One calorie (thermochemical) is 3.966613703e-8 therm (us)s.
What is 10 thm in cal?
10 thm = 252 104 210 cal.
What exactly is a therm (us)?
Gas billing in the US.
What exactly is a calorie (thermochemical)?
Exactly 4.184 J. The "small" calorie.