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 Can Group, Private Disability Policies Work Together? Loss of income from disability has the potential to cause financial hardship. Disability insurance can help. The Investment Risk No One’s Ever Heard Of You face a risk for which the market does not compensate you, that can not be easily reduced through diversification. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.