Loading Calculator House Price Mortgage term in years Or Term in months Annual Interest Rate Calculate Monthly Payments $ 836.03 Total Principal Paid $165,000 Total Interest Paid $135,971.07 Hide amortization scheduleShow amortization schedule Add Extra Payments ▼ Hide Extra Payments ▲ Calculate the impact of extra payments using any combination of the inputs below. To see your new estimated payoff date, click ‘Show amortization schedule’ link above. to your monthly mortgage payment as an extra mortgage payment occuring every January February March April May June July August Setpember October November December as a one-time mortgage payment in January February March April May June July August Setpember October November December 2019 2018 Apply Extra Payments