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Carpet Price Calculator

Use our free carpet price calculator to estimate carpet costs, add waste, and find material, padding, and installation costs with ease.

Total Cost = Material + Padding + Installation + Additional
Enter your room dimensions and carpet price to estimate material, padding, installation, and total project cost.
Carpet Price — Formula Reference
FormulaMeaning
Room Area = Length × WidthConverted to sq ft/sq yd as needed (1 sq m = 10.7639104167 sq ft)
Carpet Area = Room Area × (1 + Waste% ÷ 100)Area including waste allowance
Material Cost = Carpet Area × PriceUsing carpet area (with waste) and matching price unit
Padding/Installation Cost = Room Area × RateBilled on actual room area by default, not waste-adjusted area
Total = Material + Padding + Installation + AdditionalEstimated total project cost
⚠ This is an estimate only. Actual carpet needed can vary due to roll width, seams, pattern repeats, and room shape — always confirm the final order quantity with your installer or supplier.
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New carpet can make a room feel warm and fresh. But how much will it cost? Our carpet price calculator helps you find out in a few easy steps. Enter your room size, carpet price, and waste rate. You can also add padding and labor costs. The tool then shows your estimated total. It helps you plan your budget before you buy.

Carpet Price Formula

You only need a few simple formulas to find your carpet cost.

Room area = Length × Width

Carpet area with waste = Room area × (1 + Waste Rate / 100)

Area in square yards = Area in square feet ÷ 9

Carpet cost = Carpet area × Price per unit

Total carpet cost = Carpet cost + Padding + Labor + Extra Costs

For example, a 180 sq. ft. room needs 198 sq. ft. of carpet with 10% waste. If carpet costs $30 per square yard, the material cost is $660. Add padding and labor to find the full cost.

How to Use Our Online Carpet Price Calculator

  1. Enter room size. Add the room's length and width. Choose feet or meters.

  2. Set the carpet price. Enter the price per square foot or square yard.

  3. Add waste. Use 10% as a starting point. Complex rooms may need more.

  4. Add extra costs. Enter padding, labor, and other fees if needed.

  5. Check your result. View the carpet area, material cost, and total estimate.

Example Carpet Price Calculation

Suppose your room is 12 feet long and 15 feet wide. The carpet costs $30 per square yard. You also need padding and labor.

Room area = 12 × 15 = 180 sq. ft.

Carpet area with 10% waste = 180 × 1.10 = 198 sq. ft.

Carpet area in square yards = 198 ÷ 9 = 22 sq. yd.

Material cost = 22 × $30 = $660.

Padding cost = 180 × $0.50 = $90.

Labor cost = 180 × $1.50 = $270.

Total estimated cost = $660 + $90 + $270 = $1,020.

This is a sample estimate, not a store quote. Your final cost may vary by carpet type, room shape, and local labor rates.

Carpet Cost by Room Size

The cost depends on the area and the price of carpet. Here are a few common room sizes.

How much does it cost to carpet a 12x12 room?

A 12 × 12 room has 144 sq. ft. of floor space. With 10% waste, you need about 158.4 sq. ft. of carpet. At $3 per sq. ft., the material cost is about $475.20.

How much does it cost to carpet a 10x12 room?

A 10 × 12 room has 120 sq. ft. With 10% waste, you need 132 sq. ft. At $3 per sq. ft., the material cost is $396.

How much does a 20x20 carpet cost?

A 20 × 20 room has 400 sq. ft. With 10% waste, you need 440 sq. ft. At $3 per sq. ft., the material cost is $1,320.

How much does 1,000 sq. ft. of carpet cost?

At $3 per sq. ft., 1,000 sq. ft. costs $3,000 before waste. With 10% waste, the cost rises to $3,300.

How much would 2,000 sq. ft. of carpet cost?

At $3 per sq. ft., 2,000 sq. ft. costs $6,000 before waste. With 10% waste, the cost rises to $6,600.

What is the 500 sq. ft. carpet cost?

At $3 per sq. ft., 500 sq. ft. costs $1,500 before waste. With 10% waste, the cost is $1,650.

These examples cover carpet material only. Padding, labor, and other fees can raise the total.

Final Verdict

Our free carpet price calculator makes it easy to plan your flooring budget. Enter your room size and carpet rate to get a quick estimate. Add waste, padding, and labor for a fuller cost breakdown. Think of it as a shopping list for your floor. It helps you plan ahead and avoid surprises.

FAQs

How to calculate carpet price per square foot?

Divide the total carpet cost by the floor area in square feet. For a full project, include padding and labor in the total.

How much carpet do I need for a 12x12 room?

The room has 144 sq. ft. of floor space. With 10% waste, plan for about 158.4 sq. ft. before checking roll size and seams.

Is there a free carpet price calculator?

Yes. Our free carpet price calculator estimates area, waste, material cost, padding, and installation costs.

Can I use a Carpet Calculator from Home Depot?

You can use a store calculator to plan your carpet needs. Check the store's current prices and fitting fees before you order.

Why should I add carpet waste?

Cuts, seams, and room shape can lead to extra material needs. A waste allowance helps cover these needs, but the right amount depends on your room and carpet layout.