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! Learn How to Avoid These 6 Common Tax Errors Knowing how you need to file your taxes depends on your income and filing status, as well as which deductions and credits you can claim. In this free ebook, we share some common errors to avoid. First Name Last Name Email Address Thank you! Oops! Related Content Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. A Bucket Plan to Go with Your Bucket List Longer, healthier living can put greater stress on retirement assets; the bucket approach may be one answer. Inflation & Your Money It's important to understand how inflation is reported and how it can affect investments.