Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content TIPS for Inflation If you are concerned about inflation and expect short-term interest rates may increase, TIPS could be worth considering. The Cost of Medical Care Learn about the risks of not having health insurance in this informative article. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement.