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HQ8T

AC Tonnage Calculator

Right AC size for your room.

ft
ft
ft
Recommended AC
1 ton
Cooling needed
11,520 BTU/h
0.96 ton exact
Room area
144 sq ft

Choose an inverter AC with a 5-star rating to save power. A slightly bigger AC cools faster in peak summer; a much bigger one wastes electricity and doesn't remove humidity well.

How to use

  1. 1Enter the room length, width and ceiling height in feet.
  2. 2Enter how many people usually use the room.
  3. 3Tick sunlight, top floor or very hot city if they apply.
  4. 4See the recommended AC tonnage.

Frequently asked questions

Which AC is right for a 12×12 room?

A 1 ton AC is usually enough for 144 sq ft. Choose 1.5 ton if it's on the top floor or gets strong afternoon sun.

How many sq ft does a 1.5 ton AC cover?

Roughly 150–200 sq ft in Indian summers, less on a top floor or in a very hot city.

Is a bigger AC always better?

No. An oversized AC switches on and off often, removes less humidity and costs more. Pick the right size.

What does 1 ton mean for an AC?

It removes 12,000 BTU of heat per hour, the cooling from melting one ton of ice a day.

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