Free calculator

Construction Area Calculator

Calculate rectangular area from feet-and-inches dimensions.

Result
125 sq ft
11.613 m² · 131.25 sq ft including 5% waste

What this tool does

Material takeoffs for flooring, drywall, roofing and paving begin with area. Enter length and width in field measurement format and add a waste factor when estimating order quantity.

Formula

area = length × width; order area = area × (1 + waste percentage ÷ 100)

Examples

12' 6" × 10'

125 sq ft

8' 3" × 6' 6"

53.625 sq ft

Frequently asked questions

Does it include waste?

Yes. Add an optional percentage to see the order quantity.

Can it calculate irregular rooms?

Split an irregular shape into rectangles, calculate each area and add the results.

Professional workflow

Manage the work behind the measurements

PMO Engine gives project teams one connected place to track delivery, risks, stakeholders and execution work.

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