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 Earnings for All Seasons Earnings season can move markets. What is it and why is it important? Retiree Health Care Coverage Overseas Retirees traveling abroad need to know that their health insurance travels with them. RE: Retirement How does your ideal retirement differ from reality, and what can we do to better align the two?