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 Asset Allocation Consider how your assets are allocated and if that allocation is consistent with your time frame and risk tolerance. Starting a Roth IRA for a Teen This early financial decision could prove helpful over time. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look.