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Interior projects

Carpet Calculator

Estimate carpet square footage for rooms and hallways with a practical installation allowance.

Enter your measurements

Project inputs

Estimate

Room length

ft

Room width

ft

Installation allowance

%

Estimated amount0

Enter measurements to see the estimate.

Before you buy

Use this as a planning estimate.

Actual quantities vary with product coverage, cuts, surface conditions, layout, and local supplier measurements.

Carpet rolls have fixed widths, so a professional installer may calculate seams differently.
Include closets and connected hallways in the measured area.

Read our estimate methodology →

Keep planning

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HisNav Home Projects

Practical planning tools for everyday home projects.

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