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 Counteracting Capital Gains with Tax-Loss Harvesting You may have heard the phrase "tax-loss harvesting." A financial professional may be able to provide some guidance. Exit Strategies of the Rich and Famous Estate conservation is too important to put off. Do you have a smart exit strategy? Acres of Diamonds In life it often happens that the answers to our most pressing questions are right in our own backyards.