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 The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. The Wild West of Data Theft Learn about cyber liability insurance in this entertaining video. A Home Insurance Claim: To File Or Not To File Learn when it may not make sense to file a claim on your home insurance.