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. Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. Tax-Loss Harvesting: A Tax Strategy to Consider Not every investment will be a winner, but a strategy called tax-loss harvesting can potentially lower your tax bill.