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 Taxable vs. Tax-Deferred Savings Use this calculator to compare the future value of investments with different tax consequences. Pullbacks, Corrections, and Bear Markets When the market experiences volatility, it may be a good time to review these common terms. Bull & Bear Markets: A Timeline This helpful infographic will define bull and bear markets, as well as give a historical overview.