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 Question Thank you! Oops! Related Content Best-Performing Asset Classes Bonds may outperform stocks one year only to have stocks rebound the next. Raising Healthy Children Healthy habits are one of the greatest gifts to give your child. 4 Elements of an Estate Strategy Learn about the importance of having an estate strategy in this helpful and informative video.