Convert BTU per hour to kilowatts
Enter a value in BTU per hour (BTU/h) to get kilowatts (kW). One BTU per hour is 0.00029307 kilowatts; one kilowatt is 3,412.14 BTU per hour.
How to use the BTU per hour to kilowatt
- Type the number of BTU per hour.
- Click Convert.
- Read the result in kilowatts, plus the same value in every other power unit.
BTU/h to kW formula
kilowatts = BTU per hour × 0.00029307. To go the other way, BTU per hour = kilowatts × 3,412.14 (see kilowatts to BTU per hour).
Worked example
12 BTU/h × 0.00029307 = 0.003517 kW.
BTU per hour to kilowatts conversion table
| BTU per hour | Kilowatts |
|---|---|
| 0.1 BTU/h | 0.00002931 kW |
| 0.5 BTU/h | 0.00014654 kW |
| 1 BTU/h | 0.00029307 kW |
| 2 BTU/h | 0.00058614 kW |
| 3 BTU/h | 0.00087921 kW |
| 5 BTU/h | 0.001465 kW |
| 10 BTU/h | 0.002931 kW |
| 20 BTU/h | 0.005861 kW |
| 25 BTU/h | 0.007327 kW |
| 50 BTU/h | 0.014654 kW |
| 100 BTU/h | 0.029307 kW |
| 250 BTU/h | 0.073268 kW |
| 500 BTU/h | 0.146536 kW |
| 1,000 BTU/h | 0.293071 kW |
About the BTU per hour
Air-conditioner and furnace ratings in the USA.
About the kilowatt
1,000 W. Car and motor power in Europe, EV chargers, solar panels.
Related conversions
Frequently asked questions
How many kilowatts in a BTU per hour?
0.00029307 kilowatts.
How many BTU per hour in a kilowatt?
3,412.14 BTU per hour.
Is the factor exact?
The factor 0.00029307 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.