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 Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance. Saving Early & Letting Time Work For You The earlier you start pursuing financial goals, the better your outcome may be. How to Make the Tax Code Work for You When you take the time to learn more about how it works, you may be able to put the tax code to work for you.