Independent U.S. home improvement cost research and planning tools

Roof Cost Calculator

Estimate roofing costs by roof size, material and project type.

Enter Your Project Details

Use the approximate total roof surface area.

How to use this calculator

  1. Enter the approximate project dimensions.
  2. Select the material, finish level or complexity that best matches your plan.
  3. Add optional work such as demolition, layout changes or repairs.
  4. Select Calculate Estimated Cost.
Important: Results are general U.S. planning estimates. Local contractor prices, permits, material availability and property conditions can change the final cost.

What your result includes

The estimate combines a general material and labor allowance with project size and selected complexity factors. It is intended to help you build a preliminary budget before requesting detailed contractor quotes.

How to get a more accurate quote

  • Measure the project area carefully.
  • Choose materials before requesting estimates.
  • Ask contractors to separate labor, materials and permit costs.
  • Compare the same scope of work across multiple written quotes.
  • Keep a contingency budget for unexpected repairs.