Therm → kWh
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
This calculator converts Therms to kilowatt-hours (kWh), a common unit for energy measurement. The calculation uses the factor 29.3001, which represents the fixed ratio between these units. It's useful for analyzing natural gas bills, energy efficiency studies, or comparing energy provider costs.
Therms are energy units often used in natural gas sectors, while kWh are standard in electricity. This conversion unifies measurements for direct comparisons. For instance, when comparing gas and electricity costs, or assessing the environmental impact of different energy sources.
Important: always verify the conversion factor (29.3001) accuracy based on local specifications. Minor variations may occur depending on the region or gas type. Avoid confusing Therms with BTU (British Thermal Units), another similar energy unit.
Frequently asked questions
How is the conversion from Therms to kWh done?
Multiply the Therm value by 29.3001, which is the fixed conversion factor between these units.
What is this conversion used for?
It helps compare natural gas costs with electricity or unify measurements in consumption reports.
Can I use this calculator for large values?
Yes, simply input the Therm value. The formula works for any magnitude.
Why isn't the conversion exactly 29.3?
The 29.3001 factor is an approximation based on international thermal energy standards.