therms to watt-hours
Convert therm to watt-hour — instant, free, with the formula shown.
How to convert therm to watt-hour
To convert therm to watt-hour, multiply by 29307.10694444:
For example, 10 thm × 29307.106944 = 293071.069444 Wh.
thm to Wh conversion table
| therms (thm) | watt-hours (Wh) |
|---|---|
| 1 thm | 29307.106944 Wh |
| 2 thm | 58614.213889 Wh |
| 5 thm | 146535.534722 Wh |
| 10 thm | 293071.069444 Wh |
| 25 thm | 732677.673611 Wh |
| 50 thm | 1465355.347222 Wh |
| 100 thm | 2930710.694444 Wh |
| 250 thm | 7326776.736111 Wh |
| 500 thm | 14653553.472222 Wh |
| 1000 thm | 29307106.944444 Wh |
Other therm conversions
Convert to watt-hour from another unit
thm to Wh — frequently asked
How many watt-hours are in 1 therm?
1 therm = 29307.106944 watt-hours (thm × 29307.106944 = Wh).
What is the formula to convert therm to watt-hour?
Multiply your therm value by 29307.10694444 to get watt-hour.
How do I convert 10 therms to watt-hours?
10 thm = 293071.069444 Wh. For 100 thm the answer is 2930710.694444 Wh. Use the calculator on this page for any other value.
When to convert therm to watt-hour
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.