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 Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. The ABC’s of Auto Insurance What kind of auto insurance should you have? Do you know? Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms.