MEASUREMENTS · SURFACE AREA · ESTIMATING

Painting Area & Surface Calculator

Measure walls, ceilings, exterior surfaces, and other paintable areas in square feet. Subtract doors, windows, and other openings only when you choose.

Job Reference

Optional details for print, CSV export, and saved measurements.

Surface Measurements

Enter dimensions in feet. Decimal feet and feet-and-inches are accepted (for example, 12.5 or 12' 6"). Blank area names are numbered automatically in output.

Openings & Deductions

Add windows, doors, or other openings. Choose whether each opening should actually be deducted from the matching surface group.

Tool Actions

Calculate, save this job in your browser, or load a previously saved measurement.

Your entries are stored only in this browser and are not sent to an external server.

Saved Measurements

Load or delete measurements saved in this browser.