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 Don’t Be Your Own Worst Enemy Emotional biases can adversely impact financial decision making. Here’s a few to be mindful of. What Is My Current Net Worth? Use this calculator to estimate your net worth by adding up your assets and subtracting your liabilities. Directors and Officers Liability Insurance Not only can D&O insurance provide financial protection, but it can help improve an organization’s decision-making.