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Therms to Kilocalories Converter

Convert therms (100,000 Btu) (thm) to kilocalories (food Calories) (kcal), 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.

A number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
The unit you want the answer in. Swap exchanges the two units.
Result
25,216.4400722 kcal
joules (watt-seconds)
105,505,585.262 J
kilojoules
105,505.585262 kJ
megajoules
105.505585262 MJ
gigajoules
0.105505585262 GJ
calories (thermochemical)
25,216,440.0722 cal
megacalories
25.2164400722 Mcal
watt-hours
29,307.1070172 Wh
kilowatt-hours
29.3071070172 kWh
megawatt-hours
0.0293071070172 MWh
British thermal units (IT)
100,000 Btu
million Btu
0.1 MMBtu
quads (10¹⁵ Btu)
1 × 10⁻¹⁰ quad
electronvolts
6.58514067819 × 10²⁶ eV
kiloelectronvolts
6.58514067819 × 10²³ keV
megaelectronvolts
6.58514067819 × 10²⁰ MeV

1 thm = 25,216.4400722 kcal

Show the working
  1. 1 thm = 25216.4400722 kcal
  2. 1 × 25216.4400722 = 25216.4400722 kcal

How to convert therms to kilocalories

1 thm = 25,216.4400722 kcal, so multiply by 25,216.4400722 to go from therms (100,000 Btu) to kilocalories (food Calories). Going the other way, 1 kcal = 3.96566683139 × 10⁻⁵ thm.

kcal = thm × 25,216.4400722
thm = kcal × 3.96566683139

Worked example:

1 thm = 25216.4400722 kcal
5 × 25216.4400722 = 126082.200361 kcal

Therms to kilocalories table

ThermsKilocalories
1 thm25,216.4400722 kcal
2 thm50,432.8801444 kcal
3 thm75,649.3202165 kcal
4 thm100,865.760289 kcal
5 thm126,082.200361 kcal
6 thm151,298.640433 kcal
7 thm176,515.080505 kcal
8 thm201,731.520577 kcal
9 thm226,947.96065 kcal
10 thm252,164.400722 kcal
15 thm378,246.601083 kcal
20 thm504,328.801444 kcal
25 thm630,411.001804 kcal
30 thm756,493.202165 kcal
40 thm1,008,657.60289 kcal
50 thm1,260,822.00361 kcal
75 thm1,891,233.00541 kcal
100 thm2,521,644.00722 kcal
250 thm6,304,110.01804 kcal
500 thm12,608,220.0361 kcal
1000 thm25,216,440.0722 kcal

About the units

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.
Kilocalories (kcal)
Kilocalories (food Calories), a specialised unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.

Formula version 0.1.0Reviewed