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. 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. Ratio Calculators Use these calculators to assess your company's liquidity, profitability and efficiency based on your financial statement data. Minimum IRA Distribution Use this calculator to determine the amount that the federal government requires you to withdraw annually from your IRA. 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. Social Security Calculator Estimate your Social Security benefits using the Social Security Administration's Quick Calculator.