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Free Carpet Calculator – Instantly Estimate Carpet Needed
Instantly estimate the total carpet needed for your room. Includes expert tips, formulas, and answers to common questions.
Carpet Calculator
Enter your room dimensions and overage to calculate total carpet needed.
How to Use the Carpet Calculator
Step-by-step guide to accurately calculate carpet needed for any room.
- Measure Room: Measure the length and width of your room in feet.
- Add Overage: Input the overage percentage (usually 10%) for seams and waste.
- Enter Values: Input the length, width, and overage into the calculator.
- Calculate: Click Calculate to see the total carpet needed.
Formula: (Length × Width × (1 + Overage%)) = Total sq ft needed
Quick Carpet Answers
Voice search and featured snippet optimized answers
How do I calculate carpet needed?
Multiply room length × width (in feet), then add 10% for seams and waste.
What is carpet overage?
Extra material (usually 10%) to cover seams, cuts, and mistakes.
How much carpet for a 12x10 room?
12 × 10 = 120 sq ft; add 10% → 132 sq ft.
Should I round up?
Yes, always round up to the nearest foot or roll size.
Carpet Tips
- Order 10% extra for seams and waste.
- Double-check your measurements before ordering.
- Consider pattern matching for patterned carpets.
- Consult a pro for stairs or complex layouts.
Frequently Asked Questions
How do I measure for stairs?
Measure each step and riser, then add together. Add extra for waste.
What is the standard carpet width?
Most carpet rolls are 12 feet wide.
Can I install carpet myself?
DIY is possible, but professional installation is recommended for best results.