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 SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. How Compound Interest Works Use this calculator to better see the potential impact of compound interest on an asset. Emerging Market Opportunities What are your options for investing in emerging markets?