FREE ONLINE CALCULATOR

Carpet Calculator

Estimate carpet yardage and rough material cost for a rectangular room.

✓ Instant results ✓ Editable inputs ✓ Formula explained

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CONSTRUCTION · TOOLS

MEASURE Enter project dimensions

ESTIMATE Calculate material volume

PLAN Check practical assumptions

CALCULATION TOOL

Carpet Calculator

Change any value and calculate again.

Uses the values you enter. No account required.

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ABOUT THIS TOOL

When to use a carpet calculator

Estimate carpet yardage and rough material cost for a rectangular room.

All assumptions are visible and adjustable. Check rates and underlying data against original sources before making a decision.

HOW IT WORKS

The calculation

Carpet required (yd²) = room length × room width × (1 + waste%) ÷ 9; material cost = yardage × price per yd².

Read the full guide →

ASSUMPTIONS

Know the limitations

Carpet rolls have fixed widths; seam placement, pile direction, padding and installation costs are excluded.

Results are estimates derived from your inputs.