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Carpet Calculator

Provide the dimensions of an area to this carpet estimate calculator and find out the carpet quantity and the total cost instantly.

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Can't find the shape you need?Don't worry! phpstack-210195-641321.cloudwaysapps.com has lots of 2D shapes — try searching for your shape

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Use this carpet calculator to quickly estimate how much carpet is required to cover any room or floor area along with the total material cost.

This easy-to-use tool helps you measure carpet area for different shapes and instantly calculates the overall price based on your selected rate per unit.

Carpet Size And Cost Formula:

Carpets can be installed in various shapes such as rectangles, circles, ellipses, pentagons, and more. Below are the most commonly used area formulas:

Rectangle:

Carpet area = length × width

Carpet cost = carpet area × price per square unit

Circle:

Carpet area = π × radius²

Carpet cost = carpet area × price per square unit

Ellipse:

Carpet area = π × semi-major axis × semi-minor axis

Carpet cost = carpet area × price per square unit

Pentagon:

\[ \text{Carpet area} = \frac{5 \times \text{side}^2}{4 \times \tan(\pi/5)} \]

Carpet cost = carpet area × price per square unit

Hexagon:

\[ \text{Carpet area} = \frac{3\sqrt{3}}{2} \times \text{side}^2 \]

Carpet cost = carpet area × price per square unit

Other Shapes:

Carpet cost = total calculated area × price per unit

How To Calculate Carpet Size And Cost?

Follow these steps:

  • Measure the dimensions of the room (length, width, or radius).
  • Select the correct geometric shape.
  • Apply the relevant formula to find the area and multiply by the carpet rate per unit.

To save time and avoid manual calculations, use the carpet yardage calculator for instant and accurate results.

Example: 

Suppose a rectangular hall has a length of 18 ft and a width of 14 ft. The carpet price per square foot is $4. Calculate the total carpet cost.

Solution:

Given that:

Hall Length = 18 ft

Hall Width = 14 ft

Carpet price per square foot = $4

Carpet area = length × width

Carpet area = 18 × 14 = 252 sq ft

Carpet cost = 252 × 4 = $1,008

This estimated price includes only material cost. Installation and padding charges may vary depending on the service provider.

How Much Is Carpet Per Square Foot?

Carpet pricing depends on the material and texture. Common options include wool, polyester, nylon, and polypropylene. Below is an estimated price comparison per square foot:

Material Textured Patterned Loop/Berber
Wool $9.00 $6.00 $6.50
Polyester $2.50 $3.00 $2.75
Nylon $5.50 $4.75 $3.25
Polypropylene $4.00 $3.25 $2.50

How Does Our Carpet Calculator Work?

This carpet size calculator determines area and total cost based on the inputs you provide.

What Do You Need To Enter?

  • Shape of the area
  • Length or radius
  • Width (if required)
  • Carpet price per unit
  • Preferred measurement unit

This Is What You Will Get!

  • Total carpet area
  • Estimated material cost
  • Converted area in alternative units

The calculator ensures accurate carpet measurement for rectangles, circles, ellipses, hexagons, and other shapes.

FAQ’s:

How Much Does It Cost To Carpet A Room?

On average, carpeting a standard-sized room may cost between $800 and $1,800 depending on carpet type and installation fees.

What Is A Standard Carpet Roll Width And Length?

Most carpet rolls come in standard widths of 12 ft or 15 ft. Length varies based on manufacturer and project requirements.

How Much Carpet Do I Need For 10x15 Room?

Multiply 10 × 15 = 150 square feet. You will require 150 square feet of carpet to fully cover the room.

How Much Is Carpet A Square Foot?

Carpet prices typically range between $1.50 and $10 per square foot depending on quality and material.

How Much Is Carpet Per Yard?

Per square yard, carpet prices usually range from $8 to $40 depending on material and style.

References:

Industry pricing guides and flooring measurement standards.

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