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 Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference? Home Mortgage Deduction Use this calculator to assess the potential benefits of a home mortgage deduction. What You Should Do About Insurance Following a Divorce In the face of divorce, making changes to insurance coverage may be overlooked.