Mortgage Overpayment Calculator
Free mortgage overpayment calculator — see how extra payments reduce your mortgage term and total interest, with full amortization schedule visualization
Mortgage Overpayment Calculator
See how extra monthly payments reduce your mortgage term and total interest paid
Mortgage Payoff Calculator
Find out when you'll pay off your mortgage and how much extra to pay monthly to hit your target date
Lump Sum Payment Calculator
Calculate the impact of a one-time lump sum payment on your mortgage balance and interest
About Mortgage Overpayment Calculator
Wondering how much you could save by overpaying your mortgage? Our free calculators show you exactly how extra payments — whether monthly or lump sum — reduce your total interest and shorten your mortgage term.
All calculators run entirely in your browser. No data is sent to any server. Bookmark your favorite tools and use them anytime — free, fast, and private.