# Roof Area Calculator | Newington Roofing Pros

> Estimate your roof area for replacement, repair, or solar panel planning.

URL: https://newingtonroofingpros.com/tools/roof-area-calculator/

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# Roof Area Calculator

Estimate your roof area for replacement, repair, or solar panel planning.

Calculation MethodFrom House FootprintFrom Roof Dimensions

Building Length(ft)

Building Width(ft)

Roof Length (ridge to eave)(ft)

Roof Width (along ridge)(ft)

Number of Roof Sides2 (Simple gable)4 (Hip roof)

Roof PitchFlat (0-1/12)Low (2/12)Low (3/12)Medium (4/12)Medium (5/12)Medium (6/12)Steep (7/12)Steep (8/12)Very Steep (10/12)Very Steep (12/12)

Waste Factor10% (Simple roof, few obstacles)15% (Standard — Recommended)20% (Complex roof, many valleys)25% (Very complex, many dormers)

### About This Tool

Estimate your roof area for replacement, repair, or solar panel planning.

This calculator provides estimates based on simplified measurements. Actual roof area may vary due to dormers, valleys, chimneys, and other features. A professional inspection is recommended for accurate quotes.

Ready for a Real Quote?

Calculators give you a ballpark. A free written estimate gives you the number we stand behind.

Get Free Estimate

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