Mortgage Amortization and Extra Payment Calculator

Island Watch Amelia

Mortgage Amortization & Extra Payment Calculator

See how your mortgage is paid down over time and how extra principal payments may reduce interest and shorten your payoff period.

Loan Information

Loan Amount

Interest Rate (%)

Loan Term

First Payment Date

Extra Principal Payments

Extra Monthly Principal

Extra Annual Principal Payment

Applied every 12th payment.

One-Time Extra Principal Payment

Apply One-Time Payment After Month

Monthly Principal & Interest

Standard Mortgage

Total Interest $0

Total Payments 0

Estimated Payoff —

With Extra Payments

Total Interest $0

Total Payments 0

Estimated Payoff —

Estimated Interest Saved $0

Estimated Time Saved 0 months

Amortization Schedule

Schedule below reflects the extra-payment scenario.

Payment	Date	Payment	Principal	Interest	Extra Principal	Balance

Estimate only. This calculator illustrates principal and interest amortization and does not include taxes, homeowners insurance, flood insurance, HOA dues, PMI, lender fees or other mortgage-related charges. Actual loan terms and payoff calculations may vary by lender.