Therms (thm)	Kilocalories (kcal)
1 thm	25216.44 kcal
2 thm	50432.88 kcal
5 thm	126082.2 kcal
10 thm	252164.4 kcal
25 thm	630411 kcal
50 thm	1260822 kcal
100 thm	2521644.01 kcal
250 thm	6304110.02 kcal
500 thm	12608220.04 kcal
1000 thm	25216440.07 kcal

Convert Therms to Kilocalories

Convert therms to kilocalories (thm to kcal) with our instant calculator. 1 thm = 25216.440072 kcal. Includes exact formula and reference tables.

How to Convert Therms to Kilocalories (thm to kcal)

1 Therm (thm) is equal to 25216.440072 Kilocalories (kcal). Multiply the therm value by 25216.44007

Quick Answer 1 thm = 25216.440072 kcal

Formula kcal = thm × 25216.44007

Inverse Factor 1 kcal = 0.00004 thm

Unit Definitions & Metrology Context

The SI unit of energy is the joule (J). 1 food calorie (kcal) equals 1,000 small gram-calories, or exactly 4,184 joules.

About Therms (thm): Therm (thm) is a unit in the Energy measurement category. It is widely used in us natural gas utility billing (100,000 btu). Relative to the energy base unit, 1 thm equals 105505585.262 Joules (J).

About Kilocalories (kcal): Kilocalorie (Food Calorie) (kcal) is a unit in the Energy measurement category. It is a standard everyday unit of energy measurement. Relative to the energy base unit, 1 kcal equals 4184 Joules (J).

Need to convert in the opposite direction? Visit our Convert Kilocalories to Therms (kcal to thm) calculator (1 kcal = 0.00004 thm).

Step-by-Step Worked Examples (thm to kcal)

Convert 5 Therms to Kilocalories: Applying the formula (kcal = thm × 25216.44007): starting with 5 thm, multiply the therm value by 25216.44007 to get 126082.2004 kcal.
Convert 10 Therms to Kilocalories: Applying the formula (kcal = thm × 25216.44007): starting with 10 thm, multiply the therm value by 25216.44007 to get 252164.4007 kcal.
Convert 50 Therms to Kilocalories: Applying the formula (kcal = thm × 25216.44007): starting with 50 thm, multiply the therm value by 25216.44007 to get 1260822.0036 kcal.

Popular Energy Conversions

Joule ⇄ Calorie (Gram/Small)

1 thermochemical calorie equals exactly 4.184 joules.

Kilowatt-hour ⇄ Joule

1 kilowatt-hour (kWh) equals exactly 3,600,000 joules (3.6 MJ).

Kilocalorie (Food Calorie) ⇄ Kilojoule

1 food calorie (kcal) equals exactly 4.184 kilojoules (kJ).

British Thermal Unit ⇄ Joule

1 British Thermal Unit (BTU) equals approximately 1,055.06 joules.

Frequently Asked Questions

Verified answers and formulas for converting therms to kilocalories.

How many kilocalories are in 1 therm?

There are 25216.440072 kilocalories (kcal) in 1 therm (thm). Conversely, 1 kilocalorie (food calorie) equals 0.00004 therms.

How do you convert therms to kilocalories?

To convert therms (thm) to kilocalories (kcal), use the formula: kcal = thm × 25216.44007. Multiply the therm value by 25216.44007. For example, 10 thm equals 252164.4007 kcal.

How do I convert back from kilocalories to therms?

To convert in the reverse direction from kilocalories (kcal) to therms (thm), use the inverse formula: thm = kcal × 0.00003965666831. Multiply the kilocalorie (food calorie) value by 0.00003965666831 (1 kcal = 0.00004 thm).

What is the difference between therm (thm) and kilocalorie (food calorie) (kcal)?

Both therm and kilocalorie (food calorie) measure energy. Therm (thm) is a unit in the Energy measurement category. It is widely used in us natural gas utility billing (100,000 btu). Relative to the energy base unit, 1 thm equals 105505585.262 Joules (J). Kilocalorie (Food Calorie) (kcal) is a unit in the Energy measurement category. It is a standard everyday unit of energy measurement. Relative to the energy base unit, 1 kcal equals 4184 Joules (J).

What is the difference between a calorie and a kilocalorie (kcal)?

A small calorie (cal) heats 1 gram of water by 1°C. A dietary calorie (food calorie / Calorie / kcal) equals 1,000 small calories or 4.184 kJ.