Mortgage Payoff Calculator
See how much time and interest you save by adding an extra amount to your monthly mortgage payment.
About the Mortgage Payoff Calculator
Adding x to the monthly payment solves to n = −ln(1−i×B/(m+x))/ln(1+i). Even a modest extra payment shortens a 30-year loan by years, because every extra dollar goes straight to principal.
Informational only, not financial advice.