The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
Therms to Kilowatt hours
Convert US therm (therm) to Kilowatt-hour (kWh) instantly with an exact formula, conversion table, and FAQ.
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Convert us therms (therm) to kilowatt-hours (kWh) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
kWh = therm × 29.30011111
Results update instantly for Therms to Kilowatt hours conversions.
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Formula
kWh = therm × 29.30011111
therm = kWh × 0.03412956341
Conversion table
| 1 therm | 29.300111 kWh |
| 5 therm | 146.500556 kWh |
| 10 therm | 293.001111 kWh |
| 20 therm | 586.002222 kWh |
| 50 therm | 1465.005556 kWh |
| 100 therm | 2930.011111 kWh |
| 500 therm | 14650.055556 kWh |
| 1000 therm | 29300.111111 kWh |
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How the formula works
Both us therm and kilowatt-hour measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in us therms by 29.30011111 to get kilowatt-hours. To reverse the conversion, multiply a kilowatt-hour value by 0.03412956341 to get back to us therms.
Frequently asked questions
What is US therm (therm)?
The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage.
What is Kilowatt-hour (kWh)?
A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
How do I convert us therms to kilowatt-hours?
Multiply the us therm value by 29.30011111 to get the equivalent in kilowatt-hours. For example, 5 therm × 29.30011111 = 146.500556 kWh.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 29.30011111 is an exact, non-rounded value.
Can I convert kilowatt-hours back to us therms?
Yes. Divide the kilowatt-hour value by 29.30011111, or multiply it by 0.03412956341, to get us therms.
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About converting us therms to kilowatt-hours
The US therm is a natural-gas billing unit equal to 100,000 BTU, used by utilities to measure gas usage. A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
Use this calculator to move between us therms and kilowatt-hours accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.