Therm to Kilowatt-Hour Converter
Convert Therm (thm) to Kilowatt-Hour (kWh) instantly. 1 thm = 29.307107 kWh.
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1 thm = 29.307107 kWh
Formula:
kWh = thm × 29.3071070172With your value: 1 thm = 29.30710702 kWh
How big is that?
Everyday references on a logarithmic scale, all expressed in therm so you can sanity-check the result.
Other Therm to Kilowatt-Hour conversions
Therm to Kilowatt-Hour Conversion Table
| Therm (thm) | Kilowatt-Hour (kWh) |
|---|---|
| 0.5 | 14.653554 |
| 1 | 29.307107 |
| 2 | 58.614214 |
| 5 | 146.535535 |
| 10 | 293.07107 |
| 15 | 439.606605 |
| 20 | 586.14214 |
| 25 | 732.677675 |
| 50 | 1,465.355351 |
| 100 | 2,930.710702 |
| 250 | 7,326.776754 |
| 500 | 14,653.553509 |
| 1000 | 29,307.107017 |
Kilowatt-Hour to Therm Conversion Table
| Kilowatt-Hour (kWh) | Therm (thm) |
|---|---|
| 0.5 | 0.017061 |
| 1 | 0.034121 |
| 2 | 0.068243 |
| 5 | 0.170607 |
| 10 | 0.341214 |
| 15 | 0.511821 |
| 20 | 0.682428 |
| 25 | 0.853035 |
| 50 | 1.706071 |
| 100 | 3.412142 |
| 250 | 8.530354 |
| 500 | 17.060708 |
| 1000 | 34.121416 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Therm (thm)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Kilowatt-Hour (kWh)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Therm to Kilowatt-Hour
To convert from Therm (thm) to Kilowatt-Hour (kWh), multiply the value by 29.3071070172.
Formula: kWh = thm × 29.3071070172
Reverse: thm = kWh × 0.0341214163
Step-by-Step Example
- Start with your value in Therm. For example: 5 thm
- Multiply by the conversion factor: 5 x 29.3071070172
- The result is: 146.535535 kWh
About Therm
The therm (thm) is a unit of energy and work. One therm equals 1.055056 × 10^+8 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: energy calculations, engineering and science, education.
About Kilowatt-Hour
The kilowatt-hour is a unit of energy equal to 3.6 million joules, commonly used for electrical billing.
Common uses: electricity bills, energy consumption, appliances.
Frequently Asked Questions
How many Kilowatt-Hour are in 1 Therm?
There are exactly 29.3071070172 Kilowatt-Hour in 1 Therm. This means the conversion factor from Therm to Kilowatt-Hour is 29.3071070172.
What is the formula to convert Therm to Kilowatt-Hour?
The formula to convert Therm to Kilowatt-Hour is: kWh = thm × 29.3071070172. For example, to convert 10 Therm to Kilowatt-Hour, you would multiply 10 by 29.3071070172.
What is a Therm?
The therm (thm) is a unit of energy and work. One therm equals 1.055056 × 10^+8 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Kilowatt-Hour?
The kilowatt-hour is a unit of energy equal to 3.6 million joules, commonly used for electrical billing.
What are the common uses of Therm?
The Therm is commonly used in energy calculations, engineering and science, education.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). Therm to Kilowatt-Hour converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/therm-to-kilowatt_hour