Kilowatt-hours to BTUs Converter
Enter the energy in kilowatt-hours below to convert it to btus.
Convert Kilowatt-hours to BTUs
Enter a value in kilowatt-hours (kWh) to convert to btus (BTU).
Kilowatt-hour to British Thermal Unit Conversion Table
Table showing various kilowatt-hour measurements converted to btus. Click any preset value or arrow to load it into the converter.
| Kilowatt-hours (kWh) | BTUs (BTU) |
|---|---|
| 1 kWh | 3,412.1416331 BTU |
| 2 kWh | 6,824.2832663 BTU |
| 5 kWh | 17,060.7081656 BTU |
| 10 kWh | 34,121.4163313 BTU |
| 15 kWh | 51,182.1244969 BTU |
| 20 kWh | 68,242.8326626 BTU |
| 25 kWh | 85,303.5408282 BTU |
| 30 kWh | 102,364.2489938 BTU |
| 50 kWh | 170,607.0816564 BTU |
| 75 kWh | 255,910.6224846 BTU |
How to Convert Kilowatt-hours to BTUs
To convert kilowatt-hours to btus, multiply the energy by the following conversion ratio: 3,412.1416331 btus/kilowatt-hour.
Since one kilowatt-hour is equal to 3,412.1416331 btus, you can use this simple formula to convert:
The energy in btus is equal to the energy in kilowatt-hours multiplied by 3,412.1416331.
For example, here's how to convert 10 kilowatt-hours to btus using the formula above.
How Many BTUs Are in a Kilowatt-hour?
There are 3,412.1416331 btus in a kilowatt-hour, which is why we use this value in the formula above.
Our kilowatt-hour to british thermal unit calculator automatically converts your energy measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Kilowatt-hours and btus are both units used to measure energy. Keep reading to learn more about each unit.
What Is a Kilowatt-hour?
A kilowatt-hour is a unit of energy equal to 3,600,000 joules (J), the base unit for energy. Equal to 3.6 Megajoules (1,000 Wh). [1]
The kilowatt-hour is classified as a metric and SI-compatible unit of energy. Kilowatt-hours can be abbreviated as kWh; for example, 1 kilowatt-hour can be written as 1 kWh.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilowatt-hour (kWh) a convenient decimal multiple of the joule (J).
In practice, kilowatt-hours (kWh) are widely used across large-scale industrial, bulk, and macro-level energy specifications within SI metric workflows, engineering documentation, and technical data sheets.
What Is a British Thermal Unit?
A british thermal unit is a unit of energy equal to 1,055.0558526 joules (J), the base unit for energy. Thermal energy unit equal to 1,055.056 Joules. [2]
The british thermal unit is classified as a US customary and imperial unit of energy. BTUs can be abbreviated as BTU; for example, 1 british thermal unit can be written as 1 BTU.
When working with btus (BTU) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, btus (BTU) are widely used across large-scale industrial, bulk, and macro-level energy specifications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting energy between kilowatt-hours (kWh) and btus (BTU), keep full floating-point precision (1 kWh = 3,412.1416331 BTU; 1 BTU = 0.000293071 kWh) during intermediate calculations and round only the final british thermal unit figure to match your instrument tolerance.
More Kilowatt-hour & British Thermal Unit Conversions
Need to calculate in the opposite direction? Use our btus to kilowatt-hours converter (BTU to kWh) to switch your starting unit immediately. You can also explore related tools such as converting kilowatt-hours to joules, converting kilowatt-hours to ampere-hours, or converting joules to calories.
Convert from Kilowatt-hours
Frequently Asked Questions
References
- [1]NIST CODATA StandardNIST CODATA (CODATA Energy & Thermodynamic Constants)·Energy Metrology Standard — Kilowatt-hours (kWh) to BTUs (BTU)
- [2]NIST SP 811 SpecificationNIST SP 811 (NIST SP 811 App. B.9 (Energy, Work & Heat))·Unit Specifications: Kilowatt-hour (kWh) & British Thermal Unit (BTU) (BTU)
- [3]BIPM ReferenceBIPM (Derived SI Unit: Joule (J))·Conversion Factors & Mathematical Basis (kWh to BTU)