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! FREE GUIDE: THE SECURE ACT The SECURE Act changed the rules for retirement accounts and investing. Are you aware of how this may affect your investing strategy? Get all the details here in our free ebook. First Name Last Name Email Address Thank you! Oops! Related Content Raising Healthy Children Healthy habits are one of the greatest gifts to give your child. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.