About TaxGuide Pro

TaxGuide Pro is a free library of federal and state tax calculators built for planning before filing. The tools turn published IRS and state guidance into browser-based estimates for refunds, withholding, self-employment tax, credits, deductions, and state-specific questions.

Every calculator page is designed to show its assumptions, cite source material, and explain common caveats. The result is planning guidance, not a filed return or a substitute for professional tax advice.

We prioritize clear state coverage, including states with no broad-based wage income tax, so taxpayers can confirm when a state income-tax result should be zero and what other taxes may still matter.