This online converter quickly transforms cooling capacity from kilowatts (kW) to tons. Designed for HVAC applications, it enables fast and accurate conversions by using the standard conversion factor where 1 ton equals approximately 3.51685 kW. The term “kW” represents kilowatts, the SI unit of power, and “ton” denotes a unit commonly used in cooling capacity measurements.

Kilowatt (kW) to Ton Cooling Capacity Converter

Enter the cooling capacity in kilowatts, then press "Convert".

Cooling Capacity (kW)

Result in Tons

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Calculation process will appear here.
Decimal Places

How to Use the Converter

Follow these steps for a seamless conversion:

  1. Enter the Value: Input the cooling capacity in kilowatts (kW) into the designated field.
  2. Set Decimal Precision: Adjust the number of decimal places to control the precision of your result.
  3. Convert: Click the “Convert” button. The tool automatically divides the kW value by 3.51685 to compute the equivalent cooling capacity in tons.
  4. Copy and Reset: Use the “Copy Result” button to get your result into the clipboard, and the “Clear All” button to reset the form for a new calculation.
  5. Swap Conversion: If needed, use the “Swap” link to switch to the reverse conversion (from tons to kW).

Measurement Units Explained

Kilowatt (kW): The kilowatt is the standard SI unit for power, equal to 1,000 watts. It measures the rate at which energy is used or produced and is widely used in the context of HVAC systems to express cooling or heating capacity.

Ton (Cooling Capacity): In HVAC, a ton is a unit of cooling capacity that historically represents the amount of heat required to melt one ton of ice in 24 hours. In modern usage, 1 ton is defined as approximately 3.51685 kW. This unit is especially prevalent in the United States for expressing the performance of air conditioning systems.

Conversion Formula

The conversion from kilowatts to tons is calculated with the following formula:

1 ton = 3.51685 kW

Source: Engineering Toolbox – Ton Refrigeration

To convert kilowatts to tons, divide the kW value by 3.51685.

Conversion Table

Kilowatts (kW) Tons
1.0 0.284
2.0 0.568
3.0 0.853
4.0 1.137
5.0 1.422
6.0 1.706
7.0 1.990
8.0 2.274
9.0 2.558
10.0 2.843

Cooling conversion icon

Real World Examples

  • A window air conditioner rated at approximately 3.52 kW provides about 1 ton of cooling capacity.
  • A small residential unit rated at 5.0 kW delivers roughly 1.42 tons of cooling power.
  • A mid-size commercial rooftop unit rated at 7.0 kW offers nearly 2.0 tons of cooling capacity.
  • An industrial chiller rated at 10.0 kW corresponds to approximately 2.84 tons of cooling capacity.
  • An office HVAC system rated at 4.0 kW provides around 1.14 tons of cooling capacity.

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