Mortgage Payoff Calculator
GoCalc
See how extra payments can shorten your mortgage and save you thousands in interest.Updated 2026-03-16
Original Payoff
—
New Payoff
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Interest Saved
$0
Months Saved
0
Amortization Comparison
| Year | Balance (Original) | Balance (Extra) |
|---|
How to Use Mortgage Payoff Calculator
- Click Calculate to see the breakdown
- Adjust optional parameters for precision
- Save or print the results
- Try different values to compare
All processing happens locally in your browser. Your data is never uploaded to any server.
Frequently Asked Questions
How much can I save with extra payments?
Even $100/month extra on a $250,000 mortgage can save you over $30,000 in interest and pay off your loan years earlier.
Is this calculator accurate?
Yes, it uses standard amortization formulas. Results are estimates — consult your lender for exact figures.
Is my data safe?
Absolutely. Everything runs locally in your browser using JavaScript. No data is uploaded to any server.
Should I make extra payments or invest?
It depends on your interest rate vs expected investment returns. If your mortgage rate is higher than expected returns, extra payments may be better. Consult a financial advisor.