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BTU/hr to Kilowatts Conversion Calculator

BTU/hr to Kilowatts Conversion Calculator

BTU/hr to Kilowatts Conversion Calculator




A British Thermal Units per hour (BTU/hr) to Kilowatts (kW) Calculator is a tool that converts power measurements between the imperial (BTU/hr) and metric (kW) systems. 

  • 1 kW ≈ 3412.14 BTU/hr 
  • 1 BTU/hr ≈ 0.000293071 kW 

This converter is essential for HVAC, power generation, and energy efficiency applications where unit standardization is required. 

Primary Applications 


  • HVAC Systems - Sizing air conditioners and heaters 
  • Power Plants - Measuring thermal output 
  • Industrial Equipment - Rating boiler and chiller capacities 
  • Energy Audits - Comparing system efficiencies 
  • Electrical Engineering - Standardizing power measurements 

Practical Examples 


Example 1: Air Conditioner Rating 

  • Input: 24,000 BTU/hr (2-ton AC unit) 
  • Calculation: 24,000 ÷ 3412.14 ≈ 7.03 
  • Output: 24,000 BTU/hr = 7.03 kW 

Example 2: Industrial Boiler 

  • Input: 500,000 BTU/hr 
  • Calculation: 500,000 ÷ 3412.14 ≈ 146.54 
  • Output: 500,000 BTU/hr = 146.54 kW 

Example 3: Small Heater 

  • Input: 5,000 BTU/hr 
  • Calculation: 5,000 ÷ 3412.14 ≈ 1.47 
  • Output: 5,000 BTU/hr = 1.47 kW