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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education. A Look at Whole Life Insurance Whole life insurance remains in force as long as you remain current with premiums. Here's how it works.