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. Retirement Income Planner Use this calculator to evaluate your retirement income plan. Regular IRA vs. Roth IRA - Annual Contribution Use this calculator to determine whether a regular IRA or a Roth IRA is right for you. Ratio Calculators Use these calculators to assess your company's liquidity, profitability and efficiency based on your financial statement data. Buying vs. Leasing - Auto Use this calculator to determine if you should lease or buy your next vehicle. 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. 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.