calories to therms
Convert calorie (small) to therm — instant, free, with the formula shown.
1 cal=3.9657e-8 thm
How to convert calorie (small) to therm
To convert calorie (small) to therm, multiply by 3.9657e-8:
thm = cal × 3.9657e-8
For example, 10 cal × 3.9657e-8 = 3.9657e-7 thm.
cal to thm conversion table
| calories (cal) | therms (thm) |
|---|---|
| 1 cal | 3.9657e-8 thm |
| 2 cal | 7.9313e-8 thm |
| 5 cal | 1.9828e-7 thm |
| 10 cal | 3.9657e-7 thm |
| 25 cal | 9.9142e-7 thm |
| 50 cal | 1.9828e-6 thm |
| 100 cal | 3.9657e-6 thm |
| 250 cal | 9.9142e-6 thm |
| 500 cal | 1.9828e-5 thm |
| 1000 cal | 3.9657e-5 thm |
Other calorie (small) conversions
Convert to therm from another unit
cal to thm — frequently asked
How many therms are in 1 calorie (small)?
1 calorie (small) = 3.9657e-8 therms (cal × 3.9657e-8 = thm).
What is the formula to convert calorie (small) to therm?
Multiply your calorie (small) value by 3.9657e-8 to get therm.
How do I convert 10 calories to therms?
10 cal = 3.9657e-7 thm. For 100 cal the answer is 3.9657e-6 thm. Use the calculator on this page for any other value.
When to convert calorie (small) to therm
1Electricity bills (kWh)
2Nutrition labels (kcal / food cal)
3HVAC and heating (BTU, therms)
4Physics and chemistry (J, eV)
Energy conversion — common questions
Is a food calorie the same as a calorie?
No — a food 'Calorie' (capital C) actually means 1 kilocalorie = 1,000 small calories = 4,184 J. Nutrition labels typically write 'cal' meaning kcal.
How many joules in 1 kWh?
1 kWh = 3,600,000 J (3.6 MJ). Because 1 kW × 1 hour = 1,000 W × 3,600 s = 3,600,000 J.
What is a BTU?
British Thermal Unit — the energy required to raise 1 pound of water by 1 °F. 1 BTU ≈ 1,055 J.
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