Architect Tools

General · Calculator

Square Footage Calculator

Calculate rectangular area in square metres and square feet.

Project inputs

Enter your project values, then press Calculate.

How this calculator works

Calculate rectangular area in square metres and square feet.

A = length × width

How to use the Square Footage Calculator

1. Enter project inputs

  • Length (m)
  • Width (m)

2. Review the results

  • Area
  • Area
  • Area

3. Check the calculation

The calculator uses the following core relationship:

A = length × width

Estimating note: Actual material quantities can vary with site conditions, detailing, product dimensions, installation method, and waste.

Square Footage Calculator FAQ

What does the Square Footage Calculator calculate?

Calculate rectangular area in square metres and square feet.

What information do I need to use the Square Footage Calculator?

The calculator uses inputs such as Length (m), and Width (m). Use values from your drawings, measurements, product data, or project specifications.

How should I use the results from the Square Footage Calculator?

Use outputs such as Area, Area, and Area for estimating and cross-checking. Before purchasing or construction, confirm the dimensions, units, waste factors, supplier packaging, and project specifications.