Tons of refrigeration to kilowatts

Type a value in tons of refrigeration 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

  1. Type the value in the tons of refrigeration box.
  2. Read the result in kilowatts as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

kW = TR × 3.516852842

Multiply the value in tons of refrigeration by 3.516852842 to get kilowatts.

Example

To convert 25 TR to kilowatts: 25 × 3.516852842 = 87.9213 kW.

Conversion table

Tons of refrigeration (TR)Kilowatts (kW)
13.51685
27.03371
310.5506
517.5843
1035.1685
2070.3371
2587.9213
50175.843
100351.685
250879.213
5001,758.43
1,0003,516.85

About the units

Ton of refrigeration
A ton of refrigeration is exactly 12000 BTU per hour, about 3516.85 watts, used to rate central air conditioning and chillers.
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 ton of refrigeration?

1 TR = 3.51685 kW exactly.

How do I convert tons of refrigeration to kilowatts?

Use kW = TR × 3.516852842. For example, 25 TR = 87.9213 kW.

How many tons of refrigeration are in one kilowatt?

1 kW = 0.284345 TR.

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.