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 Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less. Is a SEP-IRA Right for Your Business? For some, the idea of establishing a retirement strategy evokes worries about complicated reporting and administration. The Five Basics of Financial Literacy How literate are you when it comes to your finances? Brush up with these five basics.