In short1 kW = 3,412 BTU/h = 860 kcal/h. 1 ton of refrigeration (TR) = 12,000 BTU/h = 3.517 kW. Enter a value and select the unit to see all equivalents.
Result
Preliminary calculation: This tool is for quick sizing and information. In real projects, load calculation, selection and commissioning require engineering calculations and a site survey. Results are approximate values.
Conversion factors
| Unit | kW equivalent |
|---|---|
| 1 kW | 1,000 W = 3,412 BTU/h = 860 kcal/h |
| 1 BTU/h | 0.000293 kW |
| 1 kcal/h | 0.001163 kW |
| 1 TR (ton of refrigeration) | 3.517 kW = 12,000 BTU/h |
Common air conditioner capacities
| BTU/h | kW (approx.) |
|---|---|
| 9.000 | 2,64 |
| 12.000 | 3,52 |
| 18.000 | 5,28 |
| 24.000 | 7,03 |
| 36.000 | 10,55 |
| 60.000 | 17,58 |
To select capacity, you can use the air conditioner capacity calculator.
Frequently asked questions
How many kW is 9000 BTU?
About 2.64 kW. On real units, the nominal value may vary slightly by manufacturer.
What is the difference between TR and BTU?
1 TR (ton of refrigeration) equals 12,000 BTU/h, that is, about 3.517 kW.
Is kcal/h still used?
kcal/h appears in older projects and some product catalogs. The current unit is kW.