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 Disability and Your Finances In the event of an unforeseen accident or illness, disability insurance may be a good way to protect your income and savings. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Keeping Up with the Joneses Lifestyle inflation can be the enemy of wealth building. What could happen if you invested instead of buying more stuff?