Kilowatt-hour to British thermal unit (IT) Converter
1 kilowatt-hour is about 3412.141633 British thermal units. Convert kilowatt-hours (kWh) to British thermal units (BTU) below: type a value and the result updates as you type.
kWh to BTU calculator
Result
Kilowatt-hour to British thermal unit (IT) conversion
1 kWh ≈ 3412.141633 BTUone kilowatt-hour in British thermal units
1 BTU ≈ 0.0002930710702 kWhone British thermal unit in kilowatt-hours
Kilowatt-hour (kWh): Exactly 3 600 000 joules (3.6 megajoules).
British thermal unit (IT) (BTU): International Table BTU: exactly 1055.05585262 joules.
Source:Kilowatt-hour: SI Brochure, 9th edition (BIPM, 2019); British thermal unit (IT): NIST Special Publication 811 (2008), Appendix B.8
How to convert kilowatt-hours to British thermal units
To convert kilowatt-hours to British thermal units, multiply the number of kilowatt-hours by about 3412.141633.
Formula
BTU = kWh × 3412.141633
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 kWh = 5 × 3412.141633 ≈ 17060.70817 BTU
- 25 kWh = 25 × 3412.141633 ≈ 85303.54083 BTU
- 100 kWh = 100 × 3412.141633 ≈ 341214.1633 BTU
Kilowatt-hour to British thermal unit (IT) conversion table
| Kilowatt-hour (kWh) | British thermal unit (IT) (BTU) |
|---|---|
| 0.1 kWh | 341.2141633 BTU |
| 0.5 kWh | 1706.070817 BTU |
| 1 kWh | 3412.141633 BTU |
| 2 kWh | 6824.283266 BTU |
| 3 kWh | 10236.4249 BTU |
| 5 kWh | 17060.70817 BTU |
| 10 kWh | 34121.41633 BTU |
| 20 kWh | 68242.83266 BTU |
| 25 kWh | 85303.54083 BTU |
| 50 kWh | 170607.0817 BTU |
| 100 kWh | 341214.1633 BTU |
| 250 kWh | 853035.4083 BTU |
| 500 kWh | 1706070.817 BTU |
| 1000 kWh | 3412141.633 BTU |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many British thermal units are in one kilowatt-hour?
- One kilowatt-hour is about 3412.141633 British thermal units.
- How do I convert British thermal units to kilowatt-hours?
- To convert British thermal units to kilowatt-hours, multiply the number of British thermal units by about 0.0002930710702. The formula is kWh = BTU × 0.0002930710702.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a kilowatt-hour or a British thermal unit?
- A kilowatt-hour is about 3412.141633 times larger than a British thermal unit. In other words, a British thermal unit is about 0.0002930710702 of a kilowatt-hour.