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 Budget Check Up: Tax Time Is the Right Time Tax preparation may be the perfect time to give the household budget a check-up. Building Your Legacy A four-step framework for building a personal legacy. Test Your Life Insurance Knowledge How much do you know about one of the most important tools you have to help protect your and your family’s financial future?