Paycheck Calculator - Salaried This calculator computes net or gross pay for a single paycheck and displays the various withholdings. Minimum IRA Distribution Use this calculator to determine the amount that the federal government requires you to withdraw annually from your IRA. IRA Distribution Before Age 59 1/2 Calculator This calculator computes exceptions from the penalty for early distribution (before age 59 1/2) from an IRA. 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.