T2Tool2Do

Construction & DIY · Calculator

Square Footage Calculator

Calculate square feet and square meters from length and width.

Square feet

120 ft²

Square meters

11.1 m²

Estimates depend on layout, cuts, installation method, material specs, and site conditions. Waste percentages are editable planning inputs, not universal requirements.

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Share the page, not your private inputs.

How to use this calculator

Calculate square feet and square meters from length and width.

How the calculation works

  • Enter the project dimensions or quantities.
  • Choose the unit and optional waste factor where relevant.
  • Review the rounded material estimate and supporting details.

Formula

Area = length x width.

Example

A 10 ft by 12 ft area is 120 square feet, or about 11.15 square meters.

Understanding your result

Use the output as a practical starting point, then review it before using it in an important workflow.

Assumptions and limitations

  • Estimates vary by layout, cuts, installation method, product specs, and site conditions.
  • Use supplier instructions and qualified professionals for code-sensitive or structural work.

Frequently asked questions

Does this require an account?

No. The core tool works without creating a Tool2Do account.

Is my input included in share links or analytics?

No. Tool2Do share actions use the tool page URL and safe metadata, not private values or uploaded files.

Square Footage Calculator | Tool2Do