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 Women and Wealth: A Pivot Towards Retirement Tips and strategies for women approaching retirement to ensure a smooth transition. The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. TIPS for Inflation If you are concerned about inflation and expect short-term interest rates may increase, TIPS could be worth considering.