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 Term vs. Permanent Life Insurance When considering life insurance, it's important to understand your options. Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. Timing Your Retirement This short video illustrates the importance of understanding sequence of returns risk.