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 What Is a 1031 Exchange? A look at 1031 Exchanges, a real estate investment strategy that may allow you to defer your capital gains taxes. FIRE Retirement This short, informative article teaches the basics of the FIRE movement. Building a Solid Financial Foundation Sustain financial well-being or create wealth through these actions.