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 Understanding FDIC Insurance FDIC insurance was designed to protect your deposited funds, but do you know how? This article answers that question. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them. Investing with Your Heart For some, the social impact of investing is just as important as the return, perhaps more important.