See how extra principal payments can change the life of a loan.
Compare your current payoff path with one extra payment plan. Use loan years and months—not calendar dates—to schedule it.
Loan Details
Choose a new loan or enter the remaining details of an existing loan.
Loan type
PMI
Extra Payment Plan
Extra payments are applied directly to principal after the regular P&I payment.
Extra type
End of recurring payments
Considering bi-weekly payments? Paying half your normal P&I every two weeks usually adds up to roughly one extra monthly payment each year. This calculator estimates the same impact with an annual extra payment.
Regular Monthly Payment
$0.00
Here's Your Extra Payment Snapshot
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| Without Extra Payments | With Extra Payments | |
|---|---|---|
| Paid Off In | — | — |
| Total Interest Paid | — | — |
Time Saved—
Interest Saved—
Enter your loan details to see the impact of extra principal payments.
Amortization Comparison
Remaining principal balance over time. The extra-payment line ends earlier when it pays the loan off sooner.
Without extra paymentsWith extra payments
View year-by-year balance comparison
| Loan year | Without extra payments | With extra payments |
|---|
Figures are P&I-only estimates. PMI, if shown, is an added monthly estimate and does not reduce principal. Actual payoff timing and amounts may vary with servicing practices and your loan terms. Please connect with a ZMG loan officer for guidance tailored to your loan.