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 Medicare vs. Medicaid The terms Medicare and Medicaid sound similar but are two very different things. Learn the differences in this informative article. The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals. The Latte Lie and Other Myths Check out this video to begin separating fact from fiction.