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Roof Measurement Guide
Accurate roof measurements are essential for getting precise estimates. Follow these steps to measure your roof properly.
Step-by-Step Instructions
- 1Measure the length and width of each roof section from the ground level
- 2Calculate the total square footage by multiplying length × width for each section
- 3Add up all sections to get your total roof area
- 4Note the pitch/slope of your roof if known
Tips for Accuracy
- Use a measuring tape or laser measure for precise measurements
- Measure from the ground level for safety
- Include all roof sections including dormers and additions
- Round up to the nearest square for conservative estimates
Converting to Squares
Roofing contractors use “squares” as a unit of measurement. One square equals 100 square feet.
Quick Conversion:
- • 1,000 sq ft = 10 squares
- • 2,000 sq ft = 20 squares
- • 3,000 sq ft = 30 squares
- • To convert: divide total square footage by 100
Common Roof Types & Considerations
Gable Roof
Simple triangular roof - measure length × width, then multiply by pitch factor.
Hip Roof
Four-sided roof - measure each section separately and add together.
Complex Roof
Multiple sections - measure each area individually and sum total.
Pitch Factor
Steeper roofs require more material - our calculator accounts for this automatically.
Safety First
Always measure from the ground level for safety. If you need to access your roof, consider hiring a professional roofer for accurate measurements.