Loanweek

Extra payment payoff calculator

$1,008 interest saved

$2,471 interest you still pay

Principal $18,000 Interest $2,471. 12¢ of every dollar paid goes to interest.

Paying $200.00 extra a month on $18,000 at 11.86% clears it in 2 years 2 months instead of 3 years.

Regular payment $596.65 plus $200.00 extra; 10 months sooner.

Source: Default rate: Freddie Mac Primary Mortgage Market Survey, week of September 24, 2026. An average, not an offer.

Amortization schedule

Principal and interest each year with $200 extra a monthEach column is one loan year: principal paid (blue) and interest paid (raspberry).PrincipalInterest$0$2k$4k$6k$8k$10kYear 1: principal $7,842, interest $1,718, balance after $10,1581Year 2: principal $8,825, interest $735, balance after $1,3332Year 3: principal $1,333, interest $19, balance after $03loan year

First 12 months

Schedule with $200.00 extra each month, months 1–12; each payment $796.65
MonthPrincipalInterestBalance
1$618.75$177.90$17,381.25
2$624.87$171.78$16,756.38
3$631.05$165.61$16,125.33
4$637.28$159.37$15,488.05
5$643.58$153.07$14,844.47
6$649.94$146.71$14,194.52
7$656.37$140.29$13,538.16
8$662.85$133.80$12,875.31
9$669.40$127.25$12,205.90
10$676.02$120.63$11,529.88
11$682.70$113.95$10,847.18
12$689.45$107.21$10,157.73

Year by year

Totals for each loan year
YearPrincipalInterestBalance at year end
1$7,842$1,718$10,158
2$8,825$735$1,333
3$1,333$19$0
Total$18,000$3,480$0
Balance with $200 extra a monthLoan balance remaining at the end of each year, from $18,000 to $0.$0$5k$10k$15k$20kStartYear 1Year 3Balance, Start: $18kBalance, Year 1: $10.2kBalance, Year 2: $1.3kBalance, Year 3: $0
Full schedule, all 26 payments
Schedule with $200.00 extra each month, every payment
MonthPrincipalInterestBalance
1618.75177.9017,381.25
2624.87171.7816,756.38
3631.05165.6116,125.33
4637.28159.3715,488.05
5643.58153.0714,844.47
6649.94146.7114,194.52
7656.37140.2913,538.16
8662.85133.8012,875.31
9669.40127.2512,205.90
10676.02120.6311,529.88
11682.70113.9510,847.18
12689.45107.2110,157.73
13696.26100.399,461.47
14703.1493.518,758.33
15710.0986.568,048.23
16717.1179.547,331.12
17724.2072.466,606.92
18731.3665.305,875.57
19738.5858.075,136.98
20745.8850.774,391.10
21753.2643.403,637.84
22760.7035.952,877.14
23768.2228.442,108.92
24775.8120.841,333.11
25783.4813.18549.63
26549.635.430.00

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Sources

Numbers on this page last changed September 26, 2026. How they are calculated: methodology.