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 When to Self-Insure Choosing to bear the financial burden of an adverse event is called self-insuring. Do you know what that entails? Emerging Market Opportunities What are your options for investing in emerging markets? Making Your Tax Bracket Work Have you explored all your options when it comes to managing your taxable income?