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 Message Thank you! Oops! Related Content Insuring Your Second Home There are unique risks of owning a second home and obtaining the proper coverage may protect you from financial risk. Saving for College This calculator can help you estimate how much you should be saving for college. Should I Invest in Gold? Learning more about gold and its history may help you decide whether it has a place in your portfolio.