Calculate how much you can contribute to retirement accounts as a self-employed person. Compare Solo 401(k), SEP IRA, and SIMPLE IRA options.
AlphaTax's Retirement Optimizer models all options in real-time, showing exactly how much you can contribute and how much you'll save in taxes at your specific income level.
Start Free TrialSolo 401(k) allows higher contributions at lower income levels and has a Roth option. SEP IRA is simpler but only allows employer contributions.
Solo 401(k) must be established by December 31. SEP IRA can be set up until your tax filing deadline (including extensions).