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 Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Exploring the Federal Student Grant Program In this article, explore the benefits of the Federal Student Grant Program. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.