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 Succeeding at Business Succession There are a number of reasons for business owners to consider a business succession plan sooner rather than later. Building Your Legacy A four-step framework for building a personal legacy. Saving for Retirement This calculator can help you estimate how much you may need to save for retirement.