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 What Is a 1035 Exchange? 1035 exchanges provide a way to trade-in an annuity contract or life insurance policy without triggering a tax liability. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared? Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.