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 Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all. Money-Saving Tips for Managing Your Subscriptions A solid strategy to maximize your retirement savings is to eliminate unnecessary expenses. Estate Planning Checklist A comprehensive estate plan is vital for families with significant assets. The checklist can help ensure nothing is left out.