Square Footage Calculator

Use this free square footage calculator to find rectangular area for rooms, panels, flooring, walls, and repeated sections.

All tools

Research-backed assumptions Formula steps Examples included Private in-browser use

Length (ft)Width (ft)Quantity

Total square footage120 ft2

12 ft x 10 ft x 1

Each item: 120 ft2
Square yards: 13.3333333333
Square meters: 11.1483648

Formula steps

Multiply length by width to find square feet for one rectangle.
Multiply by quantity when you have repeated rooms, panels, or sections.
Convert square feet to square yards and square meters for comparison.

How to use the square footage calculator

Enter length and width in feet for one rectangular section.
Use quantity when the same room, panel, wall, or section repeats.
Press Calculate square footage to see square feet, square yards, and square meters.
Add waste separately before ordering flooring, paint, tile, or building material.

Common uses

Find the area of a room, wall, garden bed, panel, or floor section.

Multiply one section by quantity for repeated panels or rooms.

Convert square feet to square yards and square meters.

Prepare numbers for flooring, paint, tile, or planning estimates.

Examples

Bedroom 12 ft x 10 ft

120 ft2

Three panels 8 ft x 4 ft x 3

96 ft2

Flooring area 22.5 ft x 14 ft

315 ft2

Frequently asked questions

Plain-language answers about when to use the tool, what it does with your inputs, what to double-check, and how privacy works.

When should I use the Square Footage Calculator?

Use it when your task matches one of these common needs: Find the area of a room, wall, garden bed, panel, or floor section. Multiply one section by quantity for repeated panels or rooms. It works best when you already know the values, dates, units, or settings the page asks for.

What is the Square Footage Calculator doing with my inputs?

In plain language: The calculator multiplies length in feet by width in feet for one rectangle, then multiplies by quantity for repeated sections. The examples on the page are there so you can compare your inputs with a filled-out calculation before copying the answer.

What should I double-check before trusting the answer?

For real material orders, add waste and account for openings, cuts, pattern matching, irregular shapes, and product coverage rules. Also check that you used the right unit, date, scale, or mode because small input changes can change the result.

Does the site save what I enter?

No. The calculator runs in your browser tab. Your recent answers stay only on the page while you use it, and they are not sent to a server.