Free LLC and small business tools
Quick tools for the questions we get most: what will this cost, what will I owe, and when is it due. Every figure comes from an official source, linked on the tool's page.
Tax calculators
- Self-employment tax calculatorFor 1099 income and LLC profit. See the federal tax to set aside and what to pay each quarter, with the 2026 IRS rates.Open the tool
- S corp tax calculatorEnter your profit and salary. See what your LLC pays by default and as an S corporation, side by side.Open the tool
- Sales tax calculatorPick a state, add the local rate, and get the tax and the total. Every state rate is taken from its tax agency.Open the tool
LLC cost and deadlines
- LLC cost calculatorPick your state, who files, and who your registered agent is. See year one and every year after, with state and service fees kept apart.Open the tool
- Annual report deadline finderPick your state. See whether your LLC owes a report, when it is due, what it costs and where to file.Open the tool