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 Why Medicare Should Be Part of Your Retirement Strategy How Medicare can address health care needs in your retirement strategy. Weighing the Benefits of Prepaid Debit Cards It's important to understand the pros and cons when considering a prepaid debit card. The ABC’s of Auto Insurance What kind of auto insurance should you have? Do you know?