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 Keeping Up with the Joneses Lifestyle inflation can be the enemy of wealth building. What could happen if you invested instead of buying more stuff? Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared?