AC Tonnage Calculator

Cooling-capacity unit conversion; does not estimate required building cooling load.

Cooling-capacity unit conversion; does not estimate required building cooling load.

Your workbenchInputs are not stored

Result

Enter your values and run the tool to see your result.

What this tool does

Converts cooling capacity from BTU/h into refrigeration tons and kilowatts. 12,000 BTU/h is one ton.

How to use it

  1. Enter the rated cooling capacity in BTU/h.
  2. Run it for tons and kilowatts.

Worked example

24,000 BTU/h is 2 tons, or about 7.03 kW.

Calculation method

Refrigeration tonsbtu/12000
Cooling capacitybtu*0.000293071070172

Frequently asked questions

Is the kW figure electricity consumption?
No. It expresses the heat moved by cooling in kilowatts. Actual power draw is much lower and depends on efficiency — read the product’s power rating.
Does it tell me how many tons my home needs?
No, it only converts units. For a sizing estimate use the air conditioner BTU calculator, which considers area, sun, and occupants.

What this tool does not cover

A capacity unit conversion only; it does not predict required cooling load, nor address heating capacity or efficiency ratings.

References