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 Dividends A company's profits can be reinvested or paid out to the company’s shareholders as “dividends." The Financial Literacy Crisis Many Americans are operating their personal finances with only the barest minimum of knowledge. The Economic Journey of Your Morning Coffee Few contemplate the complex journey that brought their coffee from farm to kitchen table.