Convert calorie (thermochemical)s to therm (us)s
1 cal = 0.0000000396661370264 thm — 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 4.184e-15
- Terajoules TJ 4.184e-12
- Gigajoules GJ 4.184e-9
- Megajoules MJ 0.000 004 184
- Kilojoules kJ 0.004 184
- Joules J 4.184
- Millijoules mJ 4184
- Microjoules µJ 4 184 000
- Nanojoules nJ 4 184 000 000
- Watt-hours Wh 0.001 162 222 222 22
- Kilowatt-hours kWh 0.000 001 162 222 222 22
- Megawatt-hours MWh 1.16222222222e-9
- Gigawatt-hours GWh 1.16222222222e-12
- Terawatt-hours TWh 1.16222222222e-15
- Calorie (thermochemical)s cal 1
- Kilocalories kcal 0.001
- Calorie (IT)s cal (IT) 0.999 331 231 489
- Kilocalorie (IT)s kcal (IT) 0.000 999 331 231 489
- British thermal units BTU 0.003 965 666 831 39
- BTU (thermochemical)s BTU (th) 0.003 968 321 714 8
- Million BTUs MMBTU 3.96566683139e-9
- Therm (US)s thm 3.96661370264e-8
- Therm (EC)s thm (EC) 3.96566627743e-8
- Electronvolts eV 2.61144739675e+19
- Kiloelectronvolts keV 2.61144739675e+16
- Megaelectronvolts MeV 26 114 473 967 500
- Gigaelectronvolts GeV 26 114 473 967.5
- Teraelectronvolts TeV 26 114 473.9675
- Ergs erg 41 840 000
- Foot-pounds ft·lbf 3.085 960 032 58
- Inch-pounds in·lbf 37.031 520 390 9
- Foot-poundals ft·pdl 99.287 827 931 3
- Horsepower-hours hp·h 0.000 001 558 565 673 02
- Tonne of TNTs t TNT 1e-9
- Kiloton of TNTs kt TNT 1e-12
- Megaton of TNTs Mt TNT 1e-15
- Hartrees Eₕ 9.59689217281e+17
- Rydbergs Ry 1.91937843456e+18
- Quads quad 3.96566683139e-18
Every row is Calorie (thermochemical) (cal) converted through the joule, in exact rational arithmetic.
How to convert calorie (thermochemical)s to therm (us)s
Multiply the number of calorie (thermochemical)s by 0.0000000396661370264 to get therm (us)s.
Calorie (thermochemical): Exactly 4.184 J. The "small" calorie.
Therm (US): Gas billing in the US.
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 |
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 |
Frequently asked
How many therm (us)s are in a calorie (thermochemical)?
One calorie (thermochemical) equals 3.966613703e-8 therm (us)s (cal → thm). That figure is exact, not rounded.
How do you convert calorie (thermochemical)s to therm (us)s?
Multiply the number of calorie (thermochemical)s by 0.0000000396661370264 to get therm (us)s.
What is 1 thm in calorie (thermochemical)s?
One therm (us) is 25210420.65 calorie (thermochemical)s.
What is 10 cal in thm?
10 cal = 0.000 000 396 661 37 thm.
What exactly is a calorie (thermochemical)?
Exactly 4.184 J. The "small" calorie.
What exactly is a therm (us)?
Gas billing in the US.