Energy
How to convert kilowatt-hours to btu
Step-by-step explanation of how to convert kilowatt-hours to btu, with formulas, worked examples, and a free online calculator.
To convert kilowatt-hours to BTU (British Thermal Units), multiply by 3412.14. The formula is: BTU = kWh × 3412.14. For example, 100 kWh × 3412.14 = 341,214 BTU. This conversion is used in HVAC sizing (air conditioners and heaters are often rated in BTU/hour), electricity billing (utilities charge per kWh), and energy efficiency comparisons. One kWh equals exactly 3,412.14 BTU. To convert BTU to kWh, divide by 3412.14.
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Formula
BTU = Kilowatt-hours × conversion factor