RoofWise Guide logo

Calculator

Roof Financing Calculator

Budgeting a roof replacement? Enter your project cost, down payment, interest rate, and loan term to see your estimated monthly payment and total interest.

Monthly payment
$159
Total interest
$7,030
Total loan cost
$19,030

Estimates only. Actual rates, fees, and terms depend on your lender and credit profile.

Need a full estimate?

For an installed price by material, state, and complexity, use the main Roof Cost Calculator.

Get full estimate
Free · No obligation

Get up to 3 free contractor quotes

Vetted local roofers. No obligation. Typical response in under 24 hours.

  • Vetted, licensed roofers
  • Response in under 24 hrs
  • Used by 12,000+ homeowners

By submitting you agree to be contacted about your project. No spam.

Frequently asked

How is a roof loan monthly payment calculated?
It uses the standard amortization formula: principal × monthly interest rate ÷ (1 − (1 + monthly rate)^(−number of months)). A bigger down payment or lower rate reduces the payment.
What interest rate should I use for a roof loan?
Roof loans are often home-improvement personal loans or HELOCs. Rates commonly range from 7% to 15% depending on credit score and loan type.

Keep planning

Related roofing calculators

Free tools that pair with this one — jump between them to plan every part of your project.