Calculate

Roofing Calculator

Calculate roofing materials, costs, and project estimates for different roof types and materials

Roof Specifications

Enter your roof dimensions and specifications

Typical: 10-15% for simple roofs, 15-20% for complex roofs

Roofing Reference

Helpful information for roofing projects

Common Roof Pitches

• 3/12 - 6/12: Low pitch (walkable)

• 6/12 - 9/12: Medium pitch (standard)

• 9/12+: High pitch (steep)

• 12/12: 45° angle

Material Lifespan

• Asphalt Shingles: 15-30 years

• Architectural: 25-40 years

• Metal Roofing: 40-70 years

• Slate: 75-100+ years

• Clay Tile: 50-100 years

Safety Considerations

• Use proper safety equipment

• Check weather conditions

• Consider professional installation

• Obtain necessary permits

Measurement Tips

• Measure at ground level when possible

• Account for overhangs

• Consider dormers and chimneys

• Double-check all measurements

Important Considerations

Disclaimers:

  • Calculations are estimates based on standard measurements and may vary
  • Complex roof geometries may require professional measurement
  • Labor costs vary significantly by region and contractor
  • Material prices fluctuate and should be verified with suppliers
  • Building permits and inspections may be required
  • Consider professional installation for safety and warranty

Not included in estimates:

  • Tear-off and disposal of existing roofing
  • Structural repairs or reinforcement
  • Permits and inspection fees
  • Special equipment or scaffolding
  • Chimney or vent modifications