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Room Area Calculator.

Dimensions and estimates remain in this browser. Calculate floor and wall areas while subtracting openings. Uses local geometry and independent verification.

Use Room Area Calculator

Private in this browser. Dimensions and results stay in this browser.

Tool options
Preparing the local tool…

How it works

  1. 01

    Enter dimensions, openings, waste and coverage or yield.

  2. 02

    Run the local calculation.

  3. 03

    Review assumptions before purchasing material.

Frequently asked questions

Is this an exact material quote?

No. It is an estimate based on your stated assumptions.

Does Room Area Calculator upload my data?

Room Area Calculator runs locally in your browser. Dimensions and results stay in this browser.

What output does Room Area Calculator create?

Room Area Calculator creates Json output after the result passes its local verification checks.

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