Home Calculators

AC Size Estimator

Estimate cooling capacity from room area. The estimate updates in your browser as you type.

Cooling size 6,000 BTU/hr

Local estimate.

What this tool is for

AC Size Estimator is built for home project planning inside home calculators when you need to estimates cooling capacity from room area. It focuses on ac size estimator instead of making you adapt a broad calculator to a narrow task.

When to use it

Use it when area are already known and you want a fast estimate before comparing options, checking a worksheet, or copying the result into another workflow.

Inputs

  • Area describes the size or distance used in the calculation. Use sq ft for this field.

Formula

BTU/hr = area x 20

Example

300 sq ft suggests about 6,000 BTU/hr.

What the result means

The result labeled "AC Size Estimator" is the direct output of BTU/hr = area x 20. In the worked example, 300 sq ft suggests about 6,000 BTU/hr.

Before you rely on the result

Use the estimate before shopping or planning. Product coverage, waste, local code, site conditions, and safety requirements may change the final amount.