NerdWallet's early mortgage payoff calculator figures out how much more to pay. Depending on your lender, you may have to sign in to an online account, call a helpline, or send a formal letter to start the request process.Discover how much interest you can save if you pay off your mortgage earlier with the Mortgage Payoff Calculator from Credit Union of Southern California. The PNC Mortgage Bi-Weekly Automated Payment Program helps you pay off your mortgage loan faster and reduce interest payments. This statement serves as a record of the final mortgage payment and is important for tax purposes, as mortgage interest is taxdeductible. Enter your normal mortgage information at the top of this calculator. You can optionally add your other homeownership expenses in the middle section. The mortgage payoff calculator helps you find out. The mortgage payoff calculator helps you find out. The mortgage payoff statement is a document that provides a comprehensive breakdown of the remaining balance on a mortgage.