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 Don’t Be Your Own Worst Enemy Emotional biases can adversely impact financial decision making. Here’s a few to be mindful of. Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. You Would Rather Be... Are you a thrill seeker, or content to relax in the backyard? Use this flowchart to find out more about your risk tolerance.