BTU per hour to kilowatts
Type a value in BTU per hour to see it in kilowatts straight away, or type in the second box to convert back.
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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the BTU per hour box.
- Read the result in kilowatts as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
kW = BTU/h × 0.0002930710702
Multiply the value in BTU per hour by 0.0002930710702 to get kilowatts.
Example
To convert 25 BTU/h to kilowatts: 25 × 0.0002930710702 = 0.00732678 kW.
Conversion table
| BTU per hour (BTU/h) | Kilowatts (kW) |
|---|---|
| 1 | 0.000293071 |
| 2 | 0.000586142 |
| 3 | 0.000879213 |
| 5 | 0.00146536 |
| 10 | 0.00293071 |
| 20 | 0.00586142 |
| 25 | 0.00732678 |
| 50 | 0.0146536 |
| 100 | 0.0293071 |
| 250 | 0.0732678 |
| 500 | 0.146536 |
| 1,000 | 0.293071 |
About the units
- BTU per hour
- One BTU per hour is 1055.05585262 joules (International Table BTU) per 3600 seconds, about 0.293071 watts, the rating used for air conditioners.
- Kilowatt
- A kilowatt is exactly 1000 watts, the usual unit for engines, heaters and solar systems.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many kilowatts are in one BTU per hour?
1 BTU/h = 0.000293071 kW exactly.
How do I convert BTU per hour to kilowatts?
Use kW = BTU/h × 0.0002930710702. For example, 25 BTU/h = 0.00732678 kW.
How many BTU per hour are in one kilowatt?
1 kW = 3,412.14 BTU/h.
What is the difference between mechanical and metric horsepower?
Mechanical horsepower is about 745.7 watts and is used in the US, while metric horsepower (PS) is 735.5 watts and is used in Europe and Japan. The same engine therefore shows a PS figure about 1.4% higher.
How many kilowatts is one ton of refrigeration?
One ton of refrigeration is 12000 BTU per hour, about 3.517 kW of cooling capacity. That is cooling output, not electricity use; the unit draws less power depending on its efficiency.