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 4 Steps to Protecting a Child with Disabilities Planning for a child with special needs can be complicated, confusing, and even overwhelming. All Muni Bonds Are Not Created Equal Gaining a better understanding of municipal bonds makes more sense than ever. Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion?