Calories to Therms
Convert calories (cal) to therms (thm). Type in either box; the other updates as you go.
How to convert calories to therms
To convert calories to therms, multiply the number of calories by 3.965666831 × 10⁻⁸.
Example
Convert 500,000 calories to therms:
Calorie to therm conversion chart
| Calories (cal) | Therms (thm) |
|---|---|
| 100,000 cal | 0.003965667 thm |
| 200,000 cal | 0.007931334 thm |
| 300,000 cal | 0.011897 thm |
| 400,000 cal | 0.01586267 thm |
| 500,000 cal | 0.01982833 thm |
| 600,000 cal | 0.023794 thm |
| 700,000 cal | 0.02775967 thm |
| 800,000 cal | 0.03172533 thm |
| 900,000 cal | 0.035691 thm |
| 1,000,000 cal | 0.03965667 thm |
| 1,200,000 cal | 0.047588 thm |
| 1,500,000 cal | 0.059485 thm |
| 2,000,000 cal | 0.07931334 thm |
| 2,500,000 cal | 0.09914167 thm |
| 3,000,000 cal | 0.11897 thm |
| 4,000,000 cal | 0.1586267 thm |
| 5,000,000 cal | 0.1982833 thm |
| 6,000,000 cal | 0.23794 thm |
| 7,000,000 cal | 0.2775967 thm |
| 7,500,000 cal | 0.297425 thm |
| 8,000,000 cal | 0.3172533 thm |
| 9,000,000 cal | 0.35691 thm |
| 10,000,000 cal | 0.3965667 thm |
| 15,000,000 cal | 0.59485 thm |
| 20,000,000 cal | 0.7931334 thm |
| 25,000,000 cal | 0.9914167 thm |
| 50,000,000 cal | 1.982833 thm |
| 100,000,000 cal | 3.965667 thm |
Going the other way? See the therms to calories chart.
About the units
Calorie (cal)
A small calorie (thermochemical) is exactly 4.184 joules, the energy to warm one gram of water by about one degree Celsius.
Therm (thm)
A therm is 100,000 BTU. US natural gas bills are often charged per therm.
Frequently asked questions
How many therms are in a calorie?
There are 3.965666831 × 10⁻⁸ therms in a calorie.
How many calories are in a therm?
There are 25,216,440.07 calories in a therm.
How do you convert calories to therms?
To convert calories to therms, multiply the number of calories by 3.965666831 × 10⁻⁸.
What is 500,000 calories in therms?
500,000 calories equals 0.0198283 therms.
Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.