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. Regular IRA vs. Roth IRA - Annual Contribution Use this calculator to determine whether a regular IRA or a Roth IRA is right for you. Auto Loans Find out how much automobile you can buy based on your monthly payment, or find out your loan payment based on your purchase price! 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. Cool Million Find out when your savings plan will make you a millionaire!