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 The Pros and Cons of an NUA Strategy Learn the advantages of a Net Unrealized Appreciation strategy with this helpful article. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone.