Roofing Calculators

Calculators

• Alabama Roofing Calculator
  Estimate roof area, roofing squares, material allowance and installed cost for an Alabama roofing project.
• Roof Pitch Calculator
  Calculate roof pitch ratio, slope percentage, angle and rafter length from rise, run and horizontal span.

Guides

• How to Use the Alabama Roofing Calculator
• Roof Pitch Calculator: How to Measure, Calculate & Use Roof Pitch

Frequently Asked Questions

What does the Roof Pitch Calculator calculate?

Calculate roof pitch ratio, slope percentage, angle and rafter length from rise, run and horizontal span.

Is the estimate exact?

No. It is a planning estimate based on the dimensions, prices, densities, waste factors and other assumptions entered.

Can I use local prices and supplier data?

Yes. Replace every example value with current local quotes, product dimensions, densities and installation requirements.

Should I verify the quantities before ordering?

Yes. Confirm field measurements, product coverage, compaction, waste, structural requirements and supplier conversion factors before ordering materials.