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 Caring for Aging Parents As our nation ages, many Americans are turning their attention to caring for aging parents. What Can You Buy With 529 Distributions? This article can be a helpful guide when begin preparing for education expenses. Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings.