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 How Financial Professionals Are Compensated Read this overview to learn how financial advisors are compensated. New Retirement Contribution Limits for 2024 A look at the new, record-high retirement contribution limits from the IRS. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms.