Carpet Installation Cost Calculator
Estimate carpet area and installation cost quickly using room dimensions and price per square foot, with smart waste included automatically.
Choose carpet shape. Fields below change accordingly.
Room length in feet.
Room width in feet.
Distance from center to edge.
Length of major/minor axis.
Other axis length in feet.
Length of one side (regular pentagon).
Length of one side (regular hexagon).
Material price per square foot.
Equation Preview
Select a shape and enter values to preview the formula used.
Helping Notes
- Results include an extra 10% material for waste/overlap as commonly recommended.
- Enter dimensions in feet; price is per square foot.
- Switch shapes to reveal only the required inputs for that shape.
Results
Carpet Area (net)
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Calculated from your shape and dimensions (sq ft).
Adjusted Area (+10% waste)
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Adds 10% extra to reduce shortage risk (sq ft).
Estimated Cost
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Adjusted area × price per sq ft.