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 Saving for College 101 Here’s a crash course on saving for college. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms. Coaches Coaches have helped you your whole life, in ways big and small. We'd like to be one of them.