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 What Is a 1031 Exchange? A look at 1031 Exchanges, a real estate investment strategy that may allow you to defer your capital gains taxes. How to Bake a Pie-R-A Roth IRAs are tax-advantaged differently from traditional IRAs. Do you know how? Retirement Income and the Traditional Portfolio Experiencing negative returns early in retirement can potentially undermine the sustainability of your assets.