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 Question Thank you! Oops! Related Content Strategies for Managing Student Loan Debt Five strategies for managing your student debt. Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Life Insurance Myths: Debunked Whether you have life insurance through your work or are retired it pays to know the truth about life insurance coverage.