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! Free Retirement Guide It's never too soon to start preparing for retirement. But do you know what to look out for? Download our free ebook, "Retire Happy: A Simple Guide to Your Next Big Adventure." First Name Last Name Email Address Thank you! Oops! Related Content Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Replacing Your Medicare Card Learn how to replace your lost, stolen, or damaged Medicare card in this helpful article.