Two-story house floor plan showing rooms including bedrooms, bathrooms, kitchen, living, dining, family room, and garage.
3D floor plan view of two-story house layout with multiple rooms and staircases visible.

Carpet calculator

Enter your room size. We'll tell you how much carpet and pad to buy and what it costs near you.

Your estimate is only as good as your measurements.

Skip the tape measure.

Every calculator relies on the numbers you enter manually. Scan the room with your phone using Polycam and get exact dimensions and floor plans within minutes.

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50% reduction in site visits
80% reduction in project rework
Cut time scanning from weeks to minutes
$9k in hardware savings per user
FAQ

Questions, answered

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How do I convert square feet to square yards for carpet?

Divide square feet by 9. A 12 × 15 ft bedroom is 180 sq ft, or 20 square yards. Many US stores quote carpet by the square yard, so converting first makes quotes easy to compare. Enter your room size in the calculator to get your carpet and pad quantity.

Why do I need more carpet than my room's square footage?

Carpet comes off rolls of fixed width, usually 12 ft. Wider rooms need seams, and leftover strips often can't be reused, so plan on 10–20% extra depending on the room's shape and pile direction. An exact Polycam floor plan helps your installer plan seams with less waste.

Does the calculator include carpet pad?

Yes. The calculator covers carpet and pad together, since you buy them together and measure them the same way. Installers often quote stairs, furniture moving and old carpet removal separately, so ask for those line items when you compare quotes.

What does Polycam measure when I scan a room for carpet?

A scan captures interior and exterior dimensions, wall, window and door openings, room labels, furniture and fixtures, and multi-floor layouts as labeled 2D and 3D plans. Your installer gets each room's exact shape, which makes seams easier to plan.

How accurate are Polycam's measurements for carpet?

Standard interior captures are accurate to within about half an inch, which is more precise than carpet is cut. Space complexity, scan coverage and your device can widen that tolerance, so review dimensions on site and correct anything before you export.

What's in Polycam's Business plan?

Business gives you floor plan exports, advanced measure tools, a shared team library, point cloud exports, virtual walkthroughs and AI-generated reports on top of the basic features. You can start with a free 7-day trial.

Which exports can I send to a carpet installer?

Floor plan exports in PDF, PNG, SVG, DXF and CSV come with Business and above, along with point cloud exports (PLY, LAS, geo-referenced LAS, PTS, XYZ and DXF) and the Spatial Report as a PDF. 3D model exports (OBJ, DAE, FBX, GLTF, STL and USDZ) start on Basic.