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 Global vs. International: What’s the Difference? International funds invest in non-U.S. markets, while global funds may invest in U.S. stocks alongside non-U.S. stocks. From Boats to Brokers From the Dutch East India Company to Wall Street, the stock market has a long and storied history. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money.