The kilowatt-hour
The kilowatt-hour (kWh) equals exactly 3,600,000 joules — the unit on every household electricity bill. One kWh runs a 1,000 W appliance for one hour.
Kilowatt-hours to US therms Converter
1 kWh = 0.0341296 thm (kilowatt-hour → US therm)
1 kWh = 0.0341296 thm
1 kilowatt-hour equals 0.0341296 US therms. To convert kilowatt-hours to US therms, multiply the kilowatt-hour value by 0.0341296. For quick reference: 1 kWh = 0.0341296 thm, 5 kWh = 0.170648 thm, 10 kWh = 0.341296 thm, 100 kWh = 3.41296 thm.
Formula
US therms = Kilowatt-hours × 0.0341296Quick
How to convert kilowatt-hours to US therms
Take your value
Start with your value in kilowatt-hours.
Multiply by 0.0341296
Multiply the kilowatt-hour value by 0.0341296. This is the exact conversion factor from kilowatt-hours to US therms.
Read the result
The product is your value in US therms. For example, 5 kWh × 0.0341296 = 0.170648 thm.
Conversion formula
The exact factor from kilowatt-hours to US therms is 0.0341296.
US therms = Kilowatt-hours × 0.0341296
Kilowatt-hours to US therms conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Kilowatt-hours (kWh) | US therms (thm) |
|---|---|
| 0.001 kWh | 3.4130 × 10^−5 thm |
| 0.01 kWh | 0.0003413 thm |
| 0.1 kWh | 0.003413 thm |
| 0.5 kWh | 0.017065 thm |
| 1 kWh | 0.03413 thm |
| 1.5 kWh | 0.051194 thm |
| 2 kWh | 0.068259 thm |
| 5 kWh | 0.17065 thm |
| 10 kWh | 0.3413 thm |
| 20 kWh | 0.68259 thm |
| 50 kWh | 1.7065 thm |
| 100 kWh | 3.413 thm |
| 200 kWh | 6.8259 thm |
| 250 kWh | 8.5324 thm |
| 500 kWh | 17.065 thm |
| 1000 kWh | 34.13 thm |
| 2000 kWh | 68.259 thm |
| 2500 kWh | 85.324 thm |
| 3600 kWh | 122.87 thm |
| 5000 kWh | 170.65 thm |
| 7500 kWh | 255.97 thm |
| 10000 kWh | 341.3 thm |
| 25000 kWh | 853.24 thm |
| 50000 kWh | 1706.5 thm |
| 100000 kWh | 3413 thm |
| 250000 kWh | 8532.4 thm |
| 500000 kWh | 17065 thm |
| 1000000 kWh | 34130 thm |
| 2000000 kWh | 68259 thm |
| 3600000 kWh | 122866 thm |
| 5000000 kWh | 170648 thm |
| 10000000 kWh | 341296 thm |
| 25000000 kWh | 853239 thm |
| 50000000 kWh | 1706478 thm |
| 100000000 kWh | 3412956 thm |
| 250000000 kWh | 8532391 thm |
| 500000000 kWh | 17064782 thm |
| 1000000000 kWh | 34129563 thm |
| 2000000000 kWh | 68259127 thm |
| 5000000000 kWh | 170647817 thm |
| 10000000000 kWh | 341295634 thm |
| 20000000000 kWh | 682591268 thm |
| 50000000000 kWh | 1706478170 thm |
| 100000000000 kWh | 3412956341 thm |
| 1000000000000 kWh | 34129563407 thm |
| 10000000000000 kWh | 341295634070 thm |
| 100000000000000 kWh | 3412956340704 thm |
| 1000000000000000 kWh | 34129563407041 thm |
| 10000000000000000 kWh | 341295634070406 thm |
| 100000000000000000 kWh | 3.4130 × 10^15 thm |
Real-world reference
A US household uses about 30 kWh of electricity per day. A modern electric vehicle has a 50–100 kWh battery. In US therms, that gives you: 1 kWh = 0.0341296 thm, 10 kWh = 0.341296 thm, 100 kWh = 3.41296 thm.
Frequently asked questions
- How many US therms are in 1 kilowatt-hour?
- 1 kilowatt-hour equals 0.0341296 US therms.
- How do I convert kilowatt-hours to US therms?
- Multiply the kilowatt-hour value by 0.0341296. So x kWh × 0.0341296 = the equivalent in thm.
- What is 5 kilowatt-hours in US therms?
- 5 kilowatt-hours equals 0.170648 US therms.
- What is 10 kilowatt-hours in US therms?
- 10 kilowatt-hours equals 0.341296 US therms.
- What is 100 kilowatt-hours in US therms?
- 100 kilowatt-hours equals 3.41296 US therms.
- How do I convert back from US therms to kilowatt-hours?
- Multiply the US therm value by 29.3001. For example, 1 thm = 29.3001 kWh.
- Is the kilowatt-hour bigger than the US therm?
- No. 1 kilowatt-hour is smaller than 1 US therm. It takes 29.3001 kilowatt-hours to equal 1 US therm.
- Are these conversion factors exact?
- The factor is derived directly from the SI definitions of kilowatt-hour and US therm; the displayed value is rounded for readability, and the browser computes using IEEE 754 double-precision arithmetic.
About the kilowatt-hour and the US therm
The US therm
The US therm equals exactly 100,000 BTU (IT), or 105,480,400 joules. It is the standard billing unit for residential natural-gas consumption in the United States.