15 vs 30 Year Mortgage Comparison

See how different loan terms affect your payments and total cost.

$
$

20% of home price

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%

15-year rates are typically 0.5-1% lower

Monthly Costs (Optional)

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$
30 Year
Monthly P&I $2,076
Total PITI $2,559
Total Interest $427,441
Total Cost $747,441
VS
15 Year
Monthly P&I $2,699
Total PITI $3,182
Total Interest $165,838
Total Cost $485,838

The Difference

Monthly Payment Difference $623 more/month
Interest Savings (15-yr) $261,603
Pay Off 15 years sooner

What If You Invest the Difference?

If you take the 30-year loan and invest the monthly savings:

Monthly Investment $623
At 7% return over 15 years $197,654

After 15 years with the 30-year loan, you'd still owe $198,456 but have investments worth $197,654.

Payment Breakdown Over Time

Which Term is Right for You?

30-Year Mortgage

Advantages

  • Lower monthly payments
  • More budget flexibility
  • Can invest the difference
  • Easier to qualify for
  • Can always pay extra when able

Disadvantages

  • Higher interest rate
  • Much more total interest paid
  • Build equity slower
  • Debt for 30 years
Best For: Buyers who want flexibility, plan to invest, have other financial goals, or need the lower payment to qualify.

15-Year Mortgage

Advantages

  • Lower interest rate
  • Massive interest savings
  • Build equity much faster
  • Own your home outright sooner
  • Forced savings discipline

Disadvantages

  • Higher monthly payments
  • Less financial flexibility
  • Harder to qualify for
  • May limit home buying budget
Best For: Buyers with stable, higher incomes who prioritize being debt-free and can comfortably afford the higher payment.
Hybrid Strategy

Consider taking a 30-year mortgage but making payments as if it were a 15-year. This gives you flexibility during tight months while still paying off early when possible. Just ensure your lender applies extra payments to principal.

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