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 Working With A Financial Professional A financial professional is an invaluable resource to help you untangle the complexities of whatever life throws at you. Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. Raising Healthy Children Healthy habits are one of the greatest gifts to give your child.