Convert kilocalories to therm (us)s
1 kcal = 0.0000396661370264 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-12
- Terajoules TJ 4.184e-9
- Gigajoules GJ 0.000 004 184
- Megajoules MJ 0.004 184
- Kilojoules kJ 4.184
- Joules J 4184
- Millijoules mJ 4 184 000
- Microjoules µJ 4 184 000 000
- Nanojoules nJ 4 184 000 000 000
- Watt-hours Wh 1.162 222 222 22
- Kilowatt-hours kWh 0.001 162 222 222 22
- Megawatt-hours MWh 0.000 001 162 222 222 22
- Gigawatt-hours GWh 1.16222222222e-9
- Terawatt-hours TWh 1.16222222222e-12
- Calorie (thermochemical)s cal 1000
- Kilocalories kcal 1
- Calorie (IT)s cal (IT) 999.331 231 489
- Kilocalorie (IT)s kcal (IT) 0.999 331 231 489
- British thermal units BTU 3.965 666 831 39
- BTU (thermochemical)s BTU (th) 3.968 321 714 8
- Million BTUs MMBTU 0.000 003 965 666 831 39
- Therm (US)s thm 0.000 039 666 137 026 4
- Therm (EC)s thm (EC) 0.000 039 656 662 774 3
- Electronvolts eV 2.61144739675e+22
- Kiloelectronvolts keV 2.61144739675e+19
- Megaelectronvolts MeV 2.61144739675e+16
- Gigaelectronvolts GeV 26 114 473 967 500
- Teraelectronvolts TeV 26 114 473 967.5
- Ergs erg 41 840 000 000
- Foot-pounds ft·lbf 3085.960 032 58
- Inch-pounds in·lbf 37 031.520 390 9
- Foot-poundals ft·pdl 99 287.827 931 3
- Horsepower-hours hp·h 0.001 558 565 673 02
- Tonne of TNTs t TNT 0.000 001
- Kiloton of TNTs kt TNT 1e-9
- Megaton of TNTs Mt TNT 1e-12
- Hartrees Eₕ 9.59689217281e+20
- Rydbergs Ry 1.91937843456e+21
- Quads quad 3.96566683139e-15
Every row is Kilocalorie (kcal) converted through the joule, in exact rational arithmetic.
How to convert kilocalories to therm (us)s
Multiply the number of kilocalories by 0.0000396661370264 to get therm (us)s.
Kilocalorie: The Calorie on food labels — 1000 small calories.
Therm (US): Gas billing in the US.
Kilocalorie to Therm (US) conversion table
| Kilocalories (kcal) | Therm (US)s (thm) |
|---|---|
| 1 kcal | 0.000 039 666 137 |
| 2 kcal | 0.000 079 332 274 |
| 3 kcal | 0.000 118 998 41 |
| 5 kcal | 0.000 198 330 69 |
| 10 kcal | 0.000 396 661 37 |
| 20 kcal | 0.000 793 322 74 |
| 25 kcal | 0.000 991 653 43 |
| 50 kcal | 0.001 983 306 9 |
| 100 kcal | 0.003 966 613 7 |
| 250 kcal | 0.009 916 534 3 |
| 500 kcal | 0.019 833 069 |
| 1000 kcal | 0.039 666 137 |
Therm (US) to Kilocalorie conversion table
| Therm (US)s (thm) | Kilocalories (kcal) |
|---|---|
| 1 thm | 25 210.421 |
| 2 thm | 50 420.841 |
| 3 thm | 75 631.262 |
| 5 thm | 126 052.1 |
| 10 thm | 252 104.21 |
| 20 thm | 504 208.41 |
| 25 thm | 630 260.52 |
| 50 thm | 1 260 521 |
| 100 thm | 2 521 042.1 |
| 250 thm | 6 302 605.2 |
| 500 thm | 12 605 210 |
| 1000 thm | 25 210 421 |
Frequently asked
How many therm (us)s are in a kilocalorie?
One kilocalorie equals 0.00003966613703 therm (us)s (kcal → thm). That figure is exact, not rounded.
How do you convert kilocalories to therm (us)s?
Multiply the number of kilocalories by 0.0000396661370264 to get therm (us)s.
What is 1 thm in kilocalories?
One therm (us) is 25210.42065 kilocalories.
What is 10 kcal in thm?
10 kcal = 0.000 396 661 37 thm.
What exactly is a kilocalorie?
The Calorie on food labels — 1000 small calories.
What exactly is a therm (us)?
Gas billing in the US.