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 Pay Yourself First It sounds simple, but paying yourself first can really pay off. New Retirement Contribution Limits for 2024 A look at the new, record-high retirement contribution limits from the IRS. Getting a Head Start on College Savings A few strategies that may help you prepare for the cost of higher education.