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Roofing Calculator

Calculate roofing squares needed.

Roofing Calculator

Estimate roofing squares.

Formula

Squares = Area / 100

Step-by-step

  1. Area = l × w
  2. Divide by 100 (1 square = 100 sq ft)

Example

40×30 = 12 squares.

FAQ

What is a roofing square?+

100 square feet of roof area.

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