Therms to Calories

Convert therms (thm) to calories (cal). Type in either box; the other updates as you go.

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1 thm = 25,216,440 cal

1 therm equals25,216,440.07 cal
1 calorie equals3.965666831 × 10⁻⁸ thm
Formulacal = thm × 25,216,440.07

How to convert therms to calories

To convert therms to calories, multiply the number of therms by 25,216,440.07.

cal = thm × 25,216,440.07

Example

Convert 5 therms to calories:

5 thm × 25,216,440.07 = 126,082,200 cal

Therm to calorie conversion chart

Therms to calories
Therms (thm)Calories (cal)
1 thm25,216,440 cal
2 thm50,432,880 cal
3 thm75,649,320 cal
4 thm100,865,760 cal
5 thm126,082,200 cal
6 thm151,298,640 cal
7 thm176,515,081 cal
8 thm201,731,521 cal
9 thm226,947,961 cal
10 thm252,164,401 cal
12 thm302,597,281 cal
15 thm378,246,601 cal
20 thm504,328,801 cal
25 thm630,411,002 cal
30 thm756,493,202 cal
40 thm1,008,657,603 cal
50 thm1,260,822,004 cal
60 thm1,512,986,404 cal
70 thm1,765,150,805 cal
75 thm1,891,233,005 cal
80 thm2,017,315,206 cal
90 thm2,269,479,606 cal
100 thm2,521,644,007 cal
150 thm3,782,466,011 cal
200 thm5,043,288,014 cal
250 thm6,304,110,018 cal
500 thm12,608,220,036 cal
1,000 thm25,216,440,072 cal

Going the other way? See the calories to therms chart.

About the units

Therm (thm)

A therm is 100,000 BTU. US natural gas bills are often charged per therm.

Calorie (cal)

A small calorie (thermochemical) is exactly 4.184 joules, the energy to warm one gram of water by about one degree Celsius.

Frequently asked questions

How many calories are in a therm?

There are 25,216,440.07 calories in a therm.

How many therms are in a calorie?

There are 3.965666831 × 10⁻⁸ therms in a calorie.

How do you convert therms to calories?

To convert therms to calories, multiply the number of therms by 25,216,440.07.

What is 5 therms in calories?

5 therms equals 126,082,200 calories.

Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.