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 3 Estate Challenges for Blended Families This article will help your clients with blended families think and prepare their estate strategy. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. How the Federal Reserve Works Each day, the Fed is behind the scenes supporting the economy and providing services to the U.S. financial system.