Free Mortgage Tool
Amortization Calculator
See exactly how your loan pays down — month by month. Model extra payments and watch the savings stack up in real time.
Loan Details
Extra Payments
Optional — see how extra payments accelerate payoffExtra Monthly Payment
Added to every scheduled payment from the start date you choose.
Extra Yearly Payment
Applied once per year in the month you choose, starting from the year you select.
Extra One-Time Payments
Each payment is applied once in the exact month and year you select.
One-Time Payment
Monthly Payment
$3,891.59
Principal + Interest
Total Principal
$600,000
Loan amount repaid
Total Interest
$800,972
Cost of borrowing
Total Extra Paid
$0
No extra payments
Estimated Payoff
September 2056
Standard schedule
Original Payoff
September 2056
No extra payments
Time Saved
—
Add extra payments
Interest Saved
—
Add extra payments
Loan Balance Over Time
Remaining balance by year
Principal vs. Interest
Total cost breakdown over the life of the loan
$600,000
Principal (43%)
$800,972
Interest (57%)
$1,400,972
Total Cost
Amortization Schedule
360 payments · Full month-by-month breakdown
| # | Date | Beg. Balance | Scheduled Pmt | Total Pmt | Principal | Interest | End Balance |
|---|---|---|---|---|---|---|---|
| 1 | Oct 2026 | $600,000.00 | $3,891.59 | $3,891.59 | $516.59 | $3,375.00 | $599,483.41 |
| 2 | Nov 2026 | $599,483.41 | $3,891.59 | $3,891.59 | $519.49 | $3,372.09 | $598,963.92 |
| 3 | Dec 2026 | $598,963.92 | $3,891.59 | $3,891.59 | $522.42 | $3,369.17 | $598,441.50 |
| 4 | Jan 2027 | $598,441.50 | $3,891.59 | $3,891.59 | $525.36 | $3,366.23 | $597,916.15 |
| 5 | Feb 2027 | $597,916.15 | $3,891.59 | $3,891.59 | $528.31 | $3,363.28 | $597,387.84 |
| 6 | Mar 2027 | $597,387.84 | $3,891.59 | $3,891.59 | $531.28 | $3,360.31 | $596,856.55 |
| 7 | Apr 2027 | $596,856.55 | $3,891.59 | $3,891.59 | $534.27 | $3,357.32 | $596,322.28 |
| 8 | May 2027 | $596,322.28 | $3,891.59 | $3,891.59 | $537.28 | $3,354.31 | $595,785.01 |
| 9 | Jun 2027 | $595,785.01 | $3,891.59 | $3,891.59 | $540.30 | $3,351.29 | $595,244.71 |
| 10 | Jul 2027 | $595,244.71 | $3,891.59 | $3,891.59 | $543.34 | $3,348.25 | $594,701.37 |
| 11 | Aug 2027 | $594,701.37 | $3,891.59 | $3,891.59 | $546.39 | $3,345.20 | $594,154.98 |
| 12 | Sep 2027 | $594,154.98 | $3,891.59 | $3,891.59 | $549.47 | $3,342.12 | $593,605.51 |
| 13 | Oct 2027 | $593,605.51 | $3,891.59 | $3,891.59 | $552.56 | $3,339.03 | $593,052.95 |
| 14 | Nov 2027 | $593,052.95 | $3,891.59 | $3,891.59 | $555.67 | $3,335.92 | $592,497.29 |
| 15 | Dec 2027 | $592,497.29 | $3,891.59 | $3,891.59 | $558.79 | $3,332.80 | $591,938.50 |
| 16 | Jan 2028 | $591,938.50 | $3,891.59 | $3,891.59 | $561.93 | $3,329.65 | $591,376.56 |
| 17 | Feb 2028 | $591,376.56 | $3,891.59 | $3,891.59 | $565.10 | $3,326.49 | $590,811.47 |
| 18 | Mar 2028 | $590,811.47 | $3,891.59 | $3,891.59 | $568.27 | $3,323.31 | $590,243.19 |
| 19 | Apr 2028 | $590,243.19 | $3,891.59 | $3,891.59 | $571.47 | $3,320.12 | $589,671.72 |
| 20 | May 2028 | $589,671.72 | $3,891.59 | $3,891.59 | $574.69 | $3,316.90 | $589,097.04 |
| 21 | Jun 2028 | $589,097.04 | $3,891.59 | $3,891.59 | $577.92 | $3,313.67 | $588,519.12 |
| 22 | Jul 2028 | $588,519.12 | $3,891.59 | $3,891.59 | $581.17 | $3,310.42 | $587,937.95 |
| 23 | Aug 2028 | $587,937.95 | $3,891.59 | $3,891.59 | $584.44 | $3,307.15 | $587,353.51 |
| 24 | Sep 2028 | $587,353.51 | $3,891.59 | $3,891.59 | $587.73 | $3,303.86 | $586,765.79 |
Disclaimer: This calculator is for estimate and education purposes only. It does not represent a loan approval, payoff quote, refinance recommendation, locked interest rate, final payment, or commitment to lend. Actual loan terms, payments, payoff timing, interest savings, and eligibility may vary based on credit profile, income, assets, debts, loan program, property type, lender guidelines, market conditions, and final underwriting approval.
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