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 Surprises Making the most of surprises is a great reason to work with us. Making Sense Of A Home Warranty Understanding the value of a home warranty. How to Conquer the World - 5 Financial Strategies for Savvy Learn more about women taking control of their finances with this infographic.