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 U.S. Personal Savings Rate What can be learned from the savings rate? The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. The Business Cycle Understanding the economy's cycles can help put current business conditions in better perspective.