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 Question Thank you! Oops! Related Content Inventorying Your Possessions Creating an inventory of your possessions can save you time, money and aggravation in the event you someday suffer losses. Keep Your Umbrella Handy Umbrella liability can be a fairly inexpensive way to help shelter current assets and future income from the unexpected. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal.