Tonnage Converter

Convert between BTU/h, kW, RT, and kcal/h

Conversion Results

BTU/h
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kW
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Refrigeration Ton (RT)
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kcal/h
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Quick Reference

1 RT = 12,000 BTU/h = 3.517 kW = 3,024 kcal/h

About Tonnage Conversion

A refrigeration ton (RT) is a unit of power used to describe the heat-extraction capacity of refrigeration and air conditioning equipment.

Conversion Formulas

  • 1 RT = 12,000 BTU/h (British Thermal Units per hour)
  • 1 RT = 3.517 kW (kilowatts)
  • 1 RT = 3,024 kcal/h (kilocalories per hour)

Common Equipment Capacities

Application RT BTU/h kW
Window AC 0.5 - 1.5 6,000 - 18,000 1.8 - 5.3
Split AC (Residential) 1 - 3 12,000 - 36,000 3.5 - 10.5
Packaged Unit 3 - 25 36,000 - 300,000 10.5 - 88
Chiller (Commercial) 50 - 500+ 600,000+ 176+