Mortgage Payoff Calculator — Full Advanced
Bi-weekly, annual lumps, extra payments, charts, CSV, share link & dark mode
Extra Payment applies every scheduled payment (monthly or each bi-weekly depending on frequency).
Start date helps chart X-axis; if left blank today’s date is used.
Original Monthly Payment
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Effective Payment (with extra)
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New Payoff Time
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Total Interest Paid (new)
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Interest Saved
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Total Payments Made
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Charts
First 120 periods shown in charts for clarity
Balance vs Time
Principal vs Interest (per period)
Amortization Schedule
Showing up to first 1000 periods — export CSV for full schedule
| # | Date | Payment | Principal | Interest | Extra | Balance |
|---|
