kW frio → BTU/h
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The kW to BTU/h calculator converts thermal power from kilowatts (kW) to British Thermal Units per hour (BTU/h), commonly used in cooling and air conditioning systems. The formula applied is straightforward: 1 kW equals 3412.14 BTU/h. This aids in comparing equipment or calculating energy capacity for applications like HVAC, industrial refrigeration, or heat pump systems.
This conversion is vital for engineers, architects, and technicians designing or maintaining thermal systems. For instance, a 2.5 kW cooling unit would output approximately 8530.35 BTU/h when multiplied by 3412.14. BTU/h is a standard unit in technical specifications for air conditioners, refrigerators, and heat exchangers.
Note: The conversion factor 3412.14 applies strictly to thermal (cooling) power, not electrical energy. In hot climates, real-world efficiency might require adjustments. Always refer to technical manuals or professionals for precise use cases.
Frequently asked questions
Why multiply by 3412.14?
The factor 3412.14 is the conversion rate between kilowatts and BTU/h for thermal power. It is defined by international standards for energy unit equivalence.
When should I use this converter?
Use it to compare cooling system specifications like air conditioners or refrigerators that list thermal power in kW or BTU/h.
Is the result equivalent to electrical energy?
No. This calculation refers to thermal (cooling) power, not electrical consumption. For energy used, employ a kW to kWh converter.
Example: How many BTU/h is 3 kW?
3 kW = 3 × 3412.14 = 10,236.42 BTU/h.