Floor Area Calculator

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Calculate room area and perimeter for flooring work.

FlooringTool pagePractical content

Floor Area CalculatorVisual reference for this tool.

This tool is useful for tile, marble, granite, vinyl and other flooring finishes.

Length (m)

Width (m)

Waste (%)

Rate per m² (optional)

Result 1—

Result 2—

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Result 4—

Result 5—

Note—

This calculator is built client-side and runs fully in the browser, which makes it suitable for GitHub Pages and other static hosting platforms.

Area = Length × Width; Perimeter = 2 × (Length + Width)

A 5 m × 4 m room has area 20 m² and perimeter 18 m.

For safety-critical structural design, always verify assumptions and consult a qualified engineer where required.

Useful short answers to common questions about this topic.

Perimeter is useful for skirting and edge materials.

Yes, a waste percentage is included.

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