Free Carpet Measurement Tool Carpets & Rugs

Carpet Area Calculator

Calculate the exact surface area of a carpet from its dimensions.

Enter the finished dimensions of a rectangular, square, round or oval carpet to calculate its surface area instantly in square metres, square feet and square yards.

This calculator is designed for carpet buyers, importers, manufacturers, sourcing teams, interior businesses, retailers and logistics professionals who need reliable area calculations before costing, production or shipment planning.

Free to use Instant estimate Built for sourcing & trade

m² Square metre calculation

ft² Square foot conversion

B2B Built for carpet sourcing

Carpet Shape

Choose the approximate finished shape. For a square carpet, select Rectangle / Square and enter equal width and length.

Carpet Width

Enter the finished width for rectangular, square or oval carpets.

Carpet Length

Enter the finished length for rectangular, square or oval carpets.

Round Carpet Diameter

Used for round carpets. Enter the complete diameter from one edge through the centre to the opposite edge.

Measurement Tip

Use finished carpet dimensions for product area calculations. Manufacturing cut dimensions, fringe and packaging dimensions may be different.

Area Result

Calculated Carpet Area

Enter carpet dimensions

Choose a carpet shape and enter its finished measurements to calculate the area.

Estimates generated by this calculator are for preliminary planning only. Actual manufacturing cost, finished weight, material consumption, packing, freight, duty, container utilization or other commercial results may vary according to construction, specifications, production method and supplier.

About this calculator

What Is a Carpet Area Calculator?

Carpet area is one of the most important starting measurements in carpet manufacturing and sourcing. The area of a carpet can be used to estimate material consumption, product weight, production cost, price per square metre, packaging requirements and order value.

Primeval's Carpet Area Calculator converts finished carpet dimensions into square metres, square feet and square yards. It supports rectangular, square, round and oval carpets so buyers can use one calculator for many common carpet and rug shapes.

For a rectangular carpet, area is calculated by multiplying width by length. A round carpet requires the area formula for a circle, while an oval carpet uses the area calculation for an ellipse.

The result is particularly useful for wholesale buyers, importers, manufacturers, interior brands, flooring businesses and sourcing teams comparing carpet dimensions, quotations and product specifications.

Simple process

How to Calculate Carpet Area

Enter your specifications and use the result as a practical starting point for product, sourcing and shipment planning.

Choose the carpet shape

Select rectangular, round or oval depending on the finished product. Square carpets can be entered as rectangular carpets with equal sides.

Enter the finished dimensions

For rectangular and oval carpets, enter width and length. For round carpets, enter the full diameter.

Use consistent measurements

The calculator fields use centimetres. Enter all dimensions using the same finished measurement basis.

Calculate the surface area

The calculator automatically applies the correct geometric formula for the selected carpet shape.

Review multiple area units

See the result in square metres, square feet and square yards for easier international comparison.

Use the area in related calculations

Use the calculated area for carpet weight, costing, material planning, order-value or sourcing analysis.

The correct area formula depends on the carpet shape. Dimensions should first be converted into a consistent unit before the area is calculated.

Formula

Rectangle: Area = Width × Length | Round: Area = π × (Diameter ÷ 2)² | Oval: Area = π × (Width ÷ 2) × (Length ÷ 2)

What the values mean

Width: The finished horizontal width of a rectangular or oval carpet.
Length: The finished length of a rectangular or oval carpet.
Diameter: The distance across a circular carpet through its centre.
Pi: The mathematical constant used to calculate circular and elliptical areas.
Area: The calculated surface area of the finished carpet.

Practical examples

Carpet Area Calculation Examples

See how typical values translate into a useful planning estimate.

Example 1

160 × 230 cm Rectangular Carpet

A common living-room carpet size. Convert the dimensions to metres and multiply width by length.

Width: 160 cm
Length: 230 cm

Result 3.68 m²

Example 2

200 × 300 cm Large Carpet

A 2 × 3 metre carpet is a straightforward example of rectangular carpet-area calculation.

Width: 200 cm
Length: 300 cm

Result 6.00 m²

Example 3

200 cm Round Carpet

A round carpet is calculated from its radius, which is half of the diameter.

Diameter: 200 cm
Radius: 100 cm

Result Approximately 3.142 m²

Example 4

160 × 230 cm Oval Carpet

An oval carpet uses the area formula for an ellipse rather than multiplying full width by full length.

Width: 160 cm
Length: 230 cm

Result Approximately 2.890 m²

Carpet Measurement

Why Carpet Area Is Important for Buyers and Manufacturers

Carpet dimensions describe the physical size of a product, but area converts those dimensions into a standardized surface measurement. This makes it easier to compare carpets of different sizes and shapes.

Area is commonly used as an input for carpet weight calculations, price-per-square-metre analysis, material consumption, production planning and commercial comparison.

Manufacturing Cost Many carpet constructions can be preliminarily costed using an estimated rate per square metre.
Weight Estimation Carpet area can be multiplied by finished GSM to estimate theoretical product weight.
Material Planning Surface area helps manufacturers estimate yarn, fabric and backing requirements.
Quotation Comparison Price per square metre allows buyers to compare different carpet sizes more consistently.
Freight Planning Area can contribute to weight and packing calculations used in shipment planning.
Collection Planning Buyers can compare how changing product dimensions affects overall size and cost.

Rectangle

How to Calculate the Area of a Rectangular Carpet

Most standard carpets and rugs are rectangular. To calculate their area, multiply the finished width by the finished length after converting both measurements to the same unit.

For example, a carpet measuring 160 cm × 230 cm is 1.60 m × 2.30 m. Its area is therefore 3.68 square metres.

Square Carpets

How to Calculate the Area of a Square Carpet

A square is a rectangle with equal width and length. Multiply the side measurement by itself to calculate the surface area.

For example, a 200 cm × 200 cm carpet is 2 m × 2 m and therefore has a total surface area of 4 m².

Round Carpets

How to Calculate the Area of a Round Carpet

Round carpets require a circular-area calculation. The radius is half of the carpet diameter. Surface area is calculated by multiplying pi by the square of that radius.

For example, a round carpet with a diameter of 200 cm has a radius of 1 metre and an area of approximately 3.142 m².

Oval Carpets

How to Calculate the Area of an Oval Carpet

An oval carpet can be approximated as an ellipse. The calculation uses half of the overall width and half of the overall length.

This is important because simply multiplying the full width by the full length would calculate the surrounding rectangle rather than the actual oval surface.

Area Formulas

Carpet Area Formula by Shape

Use the correct formula for the finished carpet shape.

Carpet Area Formula Reference

Shape	Formula	Measurements Required
Rectangle	Width × Length	Width + Length
Square	Side × Side	One side
Round	π × Radius²	Diameter or radius
Oval	π × Half Width × Half Length	Width + Length

Size Reference

Common Carpet Sizes in Square Metres

These reference values show the area of common rectangular carpet sizes.

Common Carpet Size to Square Metre Conversion

Carpet Size	Size in Metres	Area
60 × 90 cm	0.60 × 0.90 m	0.54 m²
80 × 150 cm	0.80 × 1.50 m	1.20 m²
120 × 180 cm	1.20 × 1.80 m	2.16 m²
140 × 200 cm	1.40 × 2.00 m	2.80 m²
160 × 230 cm	1.60 × 2.30 m	3.68 m²
180 × 270 cm	1.80 × 2.70 m	4.86 m²
200 × 300 cm	2.00 × 3.00 m	6.00 m²
250 × 350 cm	2.50 × 3.50 m	8.75 m²
300 × 400 cm	3.00 × 4.00 m	12.00 m²

International Units

Carpet Area in Square Metres vs Square Feet

Carpet manufacturers and buyers in different markets may work with different measurement systems. International sourcing quotations commonly use square metres, while buyers in the United States and some other markets may be more familiar with square feet.

The calculator displays both units automatically so dimensions can be compared without manually performing each conversion.

Area Unit Conversion Reference

Area Unit	Approximate Equivalent
1 m²	10.764 ft²
1 m²	1.196 yd²
1 ft²	0.0929 m²
1 yd²	0.8361 m²

Wholesale Costing

How Carpet Area Is Used to Estimate Carpet Price

Some carpet quotations are expressed as a price per square metre rather than a fixed price per piece. Once the carpet area is known, an approximate product price can be calculated by multiplying area by the commercial rate.

For example, if a 160 × 230 cm carpet has an area of 3.68 m² and the quoted rate is $20 per m², the theoretical product price is $73.60 before considering any other commercial terms.

Actual quotations may differ because construction, design complexity, materials, minimum quantity, finishing, packaging and export terms also affect pricing.

Carpet Weight

How Carpet Area Is Used to Estimate Weight

When finished GSM is known, carpet area can be used to estimate theoretical product weight.

For example, a 3.68 m² carpet at 2,500 grams per square metre would theoretically weigh approximately 9.2 kg.

Actual finished weight can vary because of pile density, yarn, backing, latex, finishing and production tolerance.

Materials

How Manufacturers Use Carpet Area for Material Planning

Area is an important production-planning input because many carpet materials relate directly or indirectly to the surface being manufactured.

Pile Yarn Tufted and knotted carpet yarn consumption is influenced by area, pile density, pile height and construction.
Foundation Fabric Hand-tufted carpets require primary backing or foundation material sized according to manufacturing dimensions.
Latex Backing application can vary according to carpet area and construction.
Secondary Backing Backing fabric consumption is related to product dimensions plus manufacturing allowances.
Packaging Larger carpets may require longer bags, tubes, wrapping and different carton or bale planning.

Dimensions

Finished Carpet Size vs Manufacturing Size

This calculator is designed to calculate finished product area. Manufacturing dimensions may be larger because factories need allowances for cutting, finishing, binding, washing, shrinkage or edge treatment.

When purchasing materials or planning production, manufacturers should use the appropriate production dimensions rather than assuming finished dimensions equal raw cutting requirements.

Fringe

Should Carpet Fringe Be Included in Area?

For most finished-area and commercial surface-area calculations, decorative fringe is normally considered separately from the main carpet body unless the buyer and supplier specifically define otherwise.

For example, a carpet described as 160 × 230 cm should clearly state whether 230 cm represents the woven body or the overall dimension including fringe.

This distinction matters when comparing quotations and checking production tolerances.

Shape

Why Shape Matters When Comparing Carpet Sizes

Two carpets can have the same maximum width and length but different actual surface areas when their shapes differ.

For example, a 200 cm diameter round carpet occupies a maximum 200 × 200 cm footprint, but its actual circular surface area is approximately 3.142 m² rather than 4 m².

Similarly, an oval carpet has less surface area than a rectangle with the same maximum width and length.

Buyer Comparison

Use Price per Square Metre to Compare Carpet Quotations

When buyers are comparing multiple carpet sizes, converting quotations to price per square metre can provide useful commercial context.

However, a lower price per square metre does not automatically indicate better value. Construction, yarn quality, weight, pile, backing, design complexity, finishing and packaging need to be compared at the same time.

Confirm the same construction Hand-tufted, woven, knotted and machine-made carpets should not be treated as equivalent solely based on area.
Compare material specifications Wool, cotton, jute, viscose and synthetic constructions may carry very different material costs.
Check GSM or weight A lower-weight construction may use less material even when the dimensions are identical.
Review design complexity Multiple colours, carved details and intricate patterns can increase manufacturing costs.
Compare finishing and backing Edge finishing, washing, backing and latex systems can materially affect the quotation.

Order Planning

Calculate Total Carpet Area for an Order

Individual carpet area can also be multiplied by quantity to understand the total square metres represented by a purchase order.

For example, 100 carpets measuring 160 × 230 cm represent 368 m² of finished carpet surface area.

Total order area can help buyers and factories understand the production scale of an order, but actual yarn and backing requirements will still need allowances for construction and production loss.

Custom Carpets

Area Calculation for Custom-Size Carpets

Custom carpet programmes frequently include dimensions outside standard retail sizes. The same area principles apply.

For rectangular custom carpets, multiply finished width by length. Round designs use diameter, while oval carpets require width and length.

Highly irregular shapes may require CAD, pattern measurements or manufacturer-specific area calculations rather than a simple geometric approximation.

Room Planning

Carpet Product Area vs Room Floor Area

This calculator calculates the surface area of an individual carpet or rug. It is not designed to estimate broadloom wall-to-wall carpet installation requirements.

Flooring installation can require room measurements, cutting plans, roll widths, seam placement, pattern repeat and installation waste. Those calculations should be handled separately.

Quotation Checklist

Carpet Specifications to Send a Manufacturer

Area is only one part of an accurate carpet specification. For meaningful sourcing quotations, buyers should provide a more complete product brief.

Finished dimensions Specify exact width and length, diameter or custom shape.
Shape State rectangular, square, round, oval or another required shape.
Material Specify wool, cotton, jute, polyester, viscose, blends or another required fibre.
Construction Define whether the carpet is hand tufted, woven, knotted, braided or machine made.
GSM or weight Provide target pile or finished-product weight where relevant.
Pile height Specify the intended pile height for applicable carpet constructions.
Design Provide artwork, colour references and design dimensions.
Quantity State total quantity and quantity by size, colour and design.
Backing Define backing and finishing requirements.
Packaging Specify rolled, folded, polybag, carton, bale, private-label or other packaging requirements.

Important

Carpet Area Calculator Results Are Measurement Estimates

The calculator provides mathematical area based on the entered finished dimensions and selected geometric shape. Actual manufactured carpets can vary within agreed dimensional tolerances.

Irregular shapes, handmade edges, fringe, shrinkage and production variation may require additional interpretation when preparing manufacturing specifications or commercial claims.

For importers & buyers

Before Comparing Carpet Area and Pricing

Carpet area creates a useful common measurement, but buyers should not compare products on area or price per square metre alone.

Confirm finished dimensions

Make sure suppliers are quoting the same width and length and using the same measurement convention.

Check whether fringe is included

Clarify whether stated dimensions include decorative fringe.

Compare equivalent construction

The same area can have very different manufacturing value depending on construction.

Compare material and weight

Fibre, GSM, pile density and backing materially affect commercial pricing.

Understand tolerances

Handmade carpet dimensions can have production tolerances that should be agreed before ordering.

Confirm quotation basis

Ask whether the supplier price is per piece, per square metre or based on another commercial method.

Source with Primeval

Need Custom Carpet Manufacturing from India?

Primeval helps international buyers source carpets and rugs from India. Share your required carpet dimensions, material, construction, artwork, colour, target weight, quantity, packaging and destination requirements.

Use the area calculator to understand product size, then request actual factory pricing based on the complete carpet specification.

Hand tufted carpets
Handwoven rugs
Flatweave rugs
Hand-knotted carpets
Wool carpets
Cotton rugs
Jute rugs
Braided rugs
Recycled-fibre rugs
Printed rugs
Rectangular carpets
Round carpets
Oval carpets
Custom shapes
Custom sizes
Custom colours
Private-label development
Custom packaging
Sampling support
Wholesale and export manufacturing

Buyer questions

Carpet Area Calculator FAQs

Helpful answers about calculations, sourcing estimates and commercial planning.

How do I calculate carpet area?

For a rectangular carpet, multiply finished width by finished length after converting both measurements to the same unit. Other shapes such as round and oval carpets require their appropriate geometric area formulas.

What is the formula for carpet area?

For a rectangle, Area = Width × Length. For a round carpet, Area = pi × radius squared. For an oval carpet, Area = pi × half-width × half-length.

How do I calculate carpet area in square metres?

Convert the dimensions to metres and apply the correct area formula. For a rectangular carpet, multiply width in metres by length in metres.

How many square metres is a 160 × 230 cm carpet?

A 160 × 230 cm rectangular carpet measures 1.60 × 2.30 metres and has an area of 3.68 m².

How many square metres is a 200 × 300 cm carpet?

A 200 × 300 cm carpet measures 2 × 3 metres and has an area of exactly 6 m².

How many square metres is a 120 × 180 cm carpet?

A 120 × 180 cm rectangular carpet has an area of 2.16 m².

How many square metres is a 140 × 200 cm carpet?

A 140 × 200 cm carpet has an area of 2.8 m².

How many square metres is a 180 × 270 cm carpet?

A 180 × 270 cm carpet has an area of 4.86 m².

How many square metres is a 250 × 350 cm carpet?

A 250 × 350 cm carpet has an area of 8.75 m².

How do I calculate the area of a round carpet?

Divide the diameter by two to calculate the radius, then multiply pi by the radius squared.

What is the area of a 200 cm diameter round carpet?

A 200 cm diameter carpet has a radius of 1 metre and an area of approximately 3.142 m².

How do I calculate oval carpet area?

Multiply pi by half of the finished width and half of the finished length.

Can I calculate square carpet area?

Yes. Select Rectangle / Square and enter the same value for width and length.

Does this calculator show square feet?

Yes. The calculated carpet area is displayed in square metres, square feet and square yards.

How many square feet are in one square metre?

One square metre is approximately 10.764 square feet.

How many square yards are in one square metre?

One square metre is approximately 1.196 square yards.

Can carpet area be used to estimate carpet weight?

Yes. If the finished GSM is known, multiplying carpet area by GSM and dividing by 1,000 provides a theoretical weight estimate in kilograms.

Can carpet area be used to calculate price?

Yes. If a supplier provides a price per square metre, multiply carpet area by the quoted rate to estimate the product price.

Is price per square metre the same as price per carpet?

No. Price per square metre is a rate based on surface area, while price per piece is the total price for one finished carpet.

Should fringe be included in carpet dimensions?

The specification should clearly state whether the finished dimensions include or exclude fringe. Buyers and suppliers should use the same convention when calculating area.

Should I use finished size or production size?

Use finished dimensions when calculating finished product area. Manufacturing material planning may require larger production dimensions and allowances.

Does carpet area change after washing?

It can. Some materials and constructions can shrink or change dimensions during washing or finishing, which is why final production tolerances should be specified.

Can I use this calculator for rugs?

Yes. The geometric area formulas apply equally to rugs and carpets with rectangular, round or oval shapes.

Can I calculate the area of a custom-size carpet?

Yes. Enter the exact finished dimensions for rectangular, round or oval custom-size carpets.

Can this calculator measure irregular carpet shapes?

Not precisely. Highly irregular or freeform carpets may require CAD measurements, segmented geometry or manufacturer-specific calculations.

Is carpet area the same as room area?

No. This calculator measures the finished surface area of a carpet product. Wall-to-wall flooring installation requires additional planning for roll width, seams, cutting and waste.

Can I calculate total square metres for an order?

Calculate the area of one carpet and multiply it by the number of pieces. For example, 100 carpets of 3.68 m² represent 368 m² of finished product area.

Why is carpet area important for manufacturers?

Area is used in material planning, yarn consumption, weight calculations, backing requirements, productivity analysis and commercial costing.

Why is carpet area important for importers?

It helps buyers compare sizes, normalize quotations, estimate weight and understand price per square metre.

Is a bigger carpet always proportionally more expensive?

Not necessarily. Larger area normally requires more material, but unit pricing can also depend on design complexity, construction, quantity, material, setup costs and manufacturing efficiency.

Does a round carpet with a 2 metre diameter have an area of 4 m²?

No. A 2 metre diameter round carpet has a circular area of approximately 3.142 m². Four square metres would represent the surrounding 2 × 2 metre square.

Can Primeval help source custom carpets from India?

Yes. Buyers can send Primeval their carpet size, construction, material, design, quantity, target requirements and packaging details for a sourcing enquiry.

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