Measurement5 min

How to Measure an Irregular Room

Use a rectangle-by-rectangle method for awkward floor plans.

Use the Square Footage Calculator
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Break the shape apart

Sketch the room and divide it into simple rectangles.

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Calculate each area

Multiply length and width for each section using consistent units.

Add the results

Sum all sections, then add any material-specific waste separately.

Skip the manual math

Use the companion calculator with your own measurements, then return here to check assumptions.

Open Square Footage Calculator

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