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 Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. Retirement and Quality of Life Asking the right questions about how you can save money for retirement without sacrificing your quality of life.