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. Regular IRA vs. Roth IRA - Annual Contribution Use this calculator to determine whether a regular IRA or a Roth IRA is right for you. Buying vs. Leasing - Auto Use this calculator to determine if you should lease or buy your next vehicle. Flexible Spending Account Calculator This calculator shows the effect a Flexible Spending account will have on your net pay. Loan 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. Ratio Calculators Use these calculators to assess your company's liquidity, profitability and efficiency based on your financial statement data. Social Security Calculator Estimate your Social Security benefits using the Social Security Administration's Quick Calculator.