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 A Primer on Irrevocable Life Insurance Trusts Irrevocable life insurance trusts can be important tools that may accomplish a number of estate objectives. The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. A Decision Not Made Is Still a Decision Investors who put off important investment decisions may face potential consequence to their future financial security.