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Comparison · 15 vs 30 Year

15 vs 30 Year Mortgage Rate Comparison Calculator

Compare 15-year vs 30-year mortgage rates and instantly see the trade-off in monthly payment, total interest, and lifetime savings.

Built by Jim Blackburn · NMLS #1072866 · $500M+ closed · 7× Scotsman Guide Top Producer

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Enter a rate for a 15-year fixed mortgage.

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Enter a rate for a 30-year fixed mortgage.

Results

15 Year Fixed

15 Year Fixed Rate4.875%
15 Year P&I Payment$3,921
15 Year Total Interest Costs$205,868

30 Year Fixed

30 Year Fixed Rate5.875%
30 Year P&I Payment$2,958
30 Year Total Interest Costs$564,768

Savings Analysis

Difference In Interest Costs$358,900Extra interest paid over the life of the 30-year vs the 15-year.
Difference In Monthly Cashflow With 30 Year$964Monthly cash freed up by choosing the 30-year.
Difference In Annual Cashflow With 30 Year$11,566
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Estimates only — not a commitment to lend.

15 vs 30 Year Mortgage Conclusion

15- and 30-year mortgages are simply tools to help you reach your financial goals.

Both paying down debt and building wealth matter. If your priority is long-term wealth building and you have a 10-year (or longer) horizon before you'll need the cash, a 30-year fixed can be the smarter move because the lower payment lets you invest the monthly savings consistently over time. If your horizon is shorter—or you're on a fixed income—accelerating debt payoff with a 15-year mortgage may be the better fit.

Jim Blackburn

By Jim Blackburn

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Important Disclaimer

This calculator is for illustrative purposes only and does not constitute financial, legal, or investment advice. Results are based on general assumptions and may not reflect actual performance or eligibility. This is not a loan estimate or approval. Please consult with a licensed mortgage advisor before making financial decisions.

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