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. Mortgage Refinance Breakeven Use this calculator to determine if you should refinance your mortgage and when you will break even. 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. Buying vs. Leasing - Auto Use this calculator to determine if you should lease or buy your next vehicle. Children's Education Savings Use this calculator to evaluate and determine if you need to make changes to your college savings plan. Investment Needed to Achieve Goal Use this calculator to determine the investment needed to achieve your goal.