Carpet Calculator — Estimate Square Yards & Cost to Carpet a Room

Carpet Calculator — Estimate Square Yards & Cost to Carpet a Room

Calculate the exact amount of carpet needed in square yards or square feet for any room shape, including stairs and hallways.

🏠 Carpet Calculator

Square Footage
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Square Yards (+ 10% waste)
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Estimated Cost
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💡 Pro Tip

Always buy 10–15% extra carpet to account for cutting waste, seams, and pattern repeats. Leftover pieces can be used for future repairs.

Frequently Asked Questions

Q: How do you calculate carpet square footage?

Measure length × width of each room. Add 10% for waste and pattern matching. For stairs, measure each tread individually.

Q: How many square yards of carpet do I need for a 12x15 room?

12×15 = 180 sq ft. Divide by 9 to get 20 sq yd. Add 10% waste = 22 sq yd.

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