Extra payment payoff calculator
$125 interest saved
$856 interest you still pay
Principal $15,000 Interest $856. 5¢ of every dollar paid goes to interest.
Paying $200.00 extra a month on $15,000 at 11.86% clears it in 11 months instead of 1 year.
Regular payment $1,331.75 plus $200.00 extra; 1 month sooner.
Source: Default rate: Freddie Mac Primary Mortgage Market Survey, week of September 24, 2026. An average, not an offer.
Amortization schedule
First 12 months
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | $1,383.50 | $148.25 | $13,616.50 |
| 2 | $1,397.17 | $134.58 | $12,219.33 |
| 3 | $1,410.98 | $120.77 | $10,808.35 |
| 4 | $1,424.93 | $106.82 | $9,383.42 |
| 5 | $1,439.01 | $92.74 | $7,944.41 |
| 6 | $1,453.23 | $78.52 | $6,491.18 |
| 7 | $1,467.60 | $64.15 | $5,023.58 |
| 8 | $1,482.10 | $49.65 | $3,541.48 |
| 9 | $1,496.75 | $35.00 | $2,044.73 |
| 10 | $1,511.54 | $20.21 | $533.19 |
| 11 | $533.19 | $5.27 | $0.00 |
Year by year
| Year | Principal | Interest | Balance at year end |
|---|---|---|---|
| 1 | $15,000 | $856 | $0 |
| Total | $15,000 | $981 | $0 |
Full schedule, all 11 payments
| Month | Principal | Interest | Balance |
|---|---|---|---|
| 1 | 1,383.50 | 148.25 | 13,616.50 |
| 2 | 1,397.17 | 134.58 | 12,219.33 |
| 3 | 1,410.98 | 120.77 | 10,808.35 |
| 4 | 1,424.93 | 106.82 | 9,383.42 |
| 5 | 1,439.01 | 92.74 | 7,944.41 |
| 6 | 1,453.23 | 78.52 | 6,491.18 |
| 7 | 1,467.60 | 64.15 | 5,023.58 |
| 8 | 1,482.10 | 49.65 | 3,541.48 |
| 9 | 1,496.75 | 35.00 | 2,044.73 |
| 10 | 1,511.54 | 20.21 | 533.19 |
| 11 | 533.19 | 5.27 | 0.00 |
Sources
- 30-year fixed mortgage average: 7.03%. Freddie Mac Primary Mortgage Market Survey (PMMS), series MORTGAGE30US, as of September 24, 2026; retrieved September 26, 2026.
Numbers on this page last changed September 26, 2026. How they are calculated: methodology.