Paycheck Calculator - Salaried This calculator computes net or gross pay for a single paycheck and displays the various withholdings. Paycheck Calculator - Hourly This calculator computes gross and net pay for an hourly paycheck and displays the various withholdings. Flexible Spending Account Calculator This calculator shows the effect a Flexible Spending account will have on your net pay. Social Security Calculator Estimate your Social Security benefits using the Social Security Administration's Quick Calculator. Retirement Income Planner Use this calculator to evaluate your retirement income plan. Years to Become a Millionaire This calculator computes the number of years it will take for an initial investment along with monthly contributions to accumulate to $1 million. Second Income Calculator Use this calculator to estimate your additional monthly net pay after expenses if your spouse is working. Regular IRA vs. Roth IRA - Annual Contribution Use this calculator to determine whether a regular IRA or a Roth IRA is right for you.