40 Year Mortgage Calculator

Calculate monthly payments for a 40-year mortgage and compare to shorter terms.

40 Year Mortgage Calculator
Calculate monthly payments for extended-term mortgages

Use our main calculator and select 40 years as the loan term

Go to Main Calculator
Advantages
  • Lower Payments: ~15% lower than 30-year
  • Easier Qualification: Lower DTI ratio
  • More Buying Power: Afford higher-priced homes
  • Flexibility: Can make extra payments
Disadvantages
  • More Interest: Pay 35%+ more total interest
  • Slower Equity: Takes longer to build equity
  • Less Common: Not all lenders offer
  • Higher Rates: May have higher rates
Term Comparison: $300,000 Loan at 6%
15-Year LoanBest Total Cost

Payment: $2,531/month | Total Interest: $155,630

30-Year LoanStandard

Payment: $1,799/month | Total Interest: $347,515

40-Year LoanLowest Payment

Payment: ~$1,648/month | Total Interest: ~$491,040

Calculate Your 40-Year Mortgage

Use our mortgage calculator to see your monthly payment and total interest with a 40-year term.

Start Calculating