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 Insurance Needs Assessment: When You're Newly Married Marriage changes everything, including your insurance needs. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms. Managing the Risk of Outliving Your Money Steps to help you sustain and grow your retirement savings.