Unit conversion
Energy Converter
Convert energy between kilowatt-hours, BTU, joules, therms and calories.
Result
Conversions use exact internationally defined factors where one exists, so results are precise to the digits shown.
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About this calculator
How many BTU in a kWh?
One kilowatt-hour is 3,412 BTU. This is the conversion behind most heating and cooling cost comparisons between electric and gas equipment.
What is a therm?
100,000 BTU. The unit natural gas is usually billed in. One therm is about 29.3 kWh of energy content.
Common energy conversions
| From | Equals |
|---|---|
| 1 Kilowatt-hours | 1 Kilowatt-hours |
| 1 Kilowatt-hours | 1,000 Watt-hours |
| 1 Kilowatt-hours | 3,600,000 Joules |
| 1 Kilowatt-hours | 3,600 Kilojoules |
| 1 Kilowatt-hours | 3,412.141633 BTU |
| 1 Kilowatt-hours | 0.034121 Therms |
| 1 Kilowatt-hours | 860,420.650096 Calories |
| 1 Kilowatt-hours | 860.42065 Kilocalories |
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