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 How Will the Economy React to AI? What do concerns or uncertainty about AI mean for your future and your financial strategy? What If Your Kids Decide Against College? Rising college costs prompt students to seek alternatives; 529 account funds can be used for other education options. Assess Your Life Insurance Needs This calculator estimates how much life insurance you would need to meet your family's needs if you were to die prematurely.