Mortgage Calculator
Full mortgage amortization with overpayment modeling and yearly breakdown.
Mortgage details
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Summary
Monthly P&I
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Loan amount—
Total interest—
Payoff period—
Interest saved (overpayment)—
Yearly amortization
| Year | Paid | Principal | Interest | Balance |
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Understanding your mortgage
In the early years of a 30-year mortgage, over 75% of each payment is interest. Extra principal payments made early dramatically reduce total interest and loan duration. Adding $200/month can often shave 5-7 years off a 30-year mortgage.