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 The Pros and Cons of an NUA Strategy Learn the advantages of a Net Unrealized Appreciation strategy with this helpful article. Assess Your Life Insurance Needs This calculator estimates how much life insurance you would need to meet your family's needs if you were to die prematurely. How Much Home Can I Afford? With a few simple inputs you can estimate how much of a mortgage you may be able to obtain.