Mortgage Calculator Use this calculator to view the total interest and total payment for a mortgage based on the loan amount, years of payments, and annual interest rate you enter. Loan Amortization Calculator Use this calculator to calculate a loan amount based on your desired monthly payment or to calculate a monthly payment based on a loan amount. Retirement Income Planner Use this calculator to evaluate your retirement income plan. Social Security Calculator Estimate your Social Security benefits using the Social Security Administration's Quick Calculator. Investment Needed to Achieve Goal Use this calculator to determine the investment needed to achieve your goal. Auto Loan Payment Calculator Use this calculator to calculate an auto loan amount based on your desired monthly payment or to calculate a monthly payment based on an auto loan amount. Children's Education Savings Use this calculator to evaluate and determine if you need to make changes to your college savings plan. Time To Payoff Credit Card Use this calculator to calculate the monthly payment and length of time it will take to pay off your credit card. Regular IRA vs. Roth IRA - Annual Contribution Use this calculator to determine whether a regular IRA or a Roth IRA is right for you. Minimum IRA Distribution Use this calculator to determine the amount that the federal government requires you to withdraw annually from your IRA.