Roofing Area Estimator

Calculate roof materials, costs & generate shopping lists

Free • Multiple Sections • Cost Comparison • Contractor Mode

Homeowner Mode

Contractor Mode

Step 1: Roof Dimensions

Section Name (Optional)

Length (Optional)

Width (Optional)

Roof Type

Roof Pitch/Slope

Custom Pitch Multiplier

About Roof Pitch:
Pitch is rise over run (e.g., 6/12 = 6" rise per 12" run). Higher pitch = more materials needed.

Step 2: Material Specifications

Roofing Material Type

Material Brand (Optional)

Custom Brand Name (Optional)

Price per Square ($)

Add 10% Waste Factor (Recommended)

Step 3: Additional Materials

Ridge Length (ft)

Valley Length (ft)

Eave Length (ft)

Include Underlayment/Felt

Include Ridge Cap Shingles

Include Drip Edge

Include Ice & Water Shield

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Your Roofing Estimate

Roofing Squares

Total Area (sq ft)

Total Cost

Complete Materials List

Cost Breakdown

Shopping List

Calculation Details

Why Use Our Roofing Estimator?

Professional accuracy • Complete materials • Cost savings

Pitch Calculator

Accurate pitch multipliers for true roof area

Complete Materials

Every item needed from shingles to nails

Cost Comparison

Compare brands and save money