# Roofing Shingles / Sheet Area Calculation

Roof Shingles / Sheet Area calculator will help you determine the amount of square feet you have for replacing roof shingles / sheet.

## Roof / Roofing Calculator

Roof Shingles / Sheet Area calculator will help you determine the amount of square feet you have for replacing roof shingles / sheet.

Code to add this calci to your website

**Formula:**
Square Feet of Roof = (sqrt( (pitch^{2}) + 144)) / 12
Squares of Roof=(Square Feet of Roof*span*length) / 144 LLratio is = (Squares of Roof / 100);
where,
**span, pitch, length** = Span, pitch and length of the roof shingles respectively.

Calculation of roofing square feet is made easier. Free Online roof shingles / sheet area calculator.