Use this student loan repayment calculator to see how extra payments can pay off student debt faster and cheaper. Use the Loan Simulator to calculate student loan payments and choose the repayment option that best meets your needs and goals.Set up a recurring payment and have your payments automatically deducted monthly from your Checking Account. I'm selling my house with a closing date of January 9th. I received my mortgage payoff letter from Pennymac that is good through January 12th. Below you will find links to useful forms and documents for easy and convenient access. Once your mortgage loan is paid off, your lender examines your escrow account balance and then takes action to return any leftover money to you. Use this calculator to estimate your monthly mortgage payment, including taxes and insurance.