Carpet Calculator
Carpet is sold and priced in square yards (1 sq yd = 9 sq ft). Enter room dimensions, waste factor, and price per square yard to get total carpet area, padding amount, and cost estimate. Carpet typically comes in 12-foot-wide rolls — rooms wider than 12 feet require a seam.
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How to Use This Calculator
- 1Enter your measurements in the fields above. Use the units shown next to each field (ft, in, etc.).
- 2Click Calculate to get your material estimate instantly.
- 3Review the highlighted result — it shows the key quantity you need to order.
- 4Use Copy Results to save your estimate, or bookmark the URL — your inputs are encoded in the link.
Pro tip: Always add 10% to your material order to account for waste, cuts, and defects.
Frequently Asked Questions
How do I convert square feet to square yards for carpet?
Divide square feet by 9 to get square yards. For a 15×12 ft room: 180 sq ft ÷ 9 = 20 sq yds. Always add 10% for waste, so you'd order 22 square yards.
How much does carpet installation cost?
Professional carpet installation typically costs $1–$4 per square foot ($9–$36 per sq yd) in addition to material cost. Budget-grade carpet costs $12–$20/sq yd; mid-grade $25–$50/sq yd; premium $50–$100+/sq yd installed.