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 Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. What Can You Buy With 529 Distributions? This article can be a helpful guide when begin preparing for education expenses. Mutual Funds vs. ETFs Exchange-traded funds have some things in common with mutual funds, but there are differences, too.