About Reverse Tax Calculator
reversetaxcalculator.pro is a free, high-precision financial web utility designed to solve one specific problem cleanly: working backwards from tax-included total prices to extract pre-tax net amounts and tax paid.
Financial Precision
All formulas follow exact legal definitions for US sales tax, UK/EU VAT, Canadian GST/HST/PST, and global tax codes.
Visibly Dated Rates
Tax rates are routinely reviewed and updated. Rates last verified: August 2026.
100% Privacy Focused
All calculations run client-side in your web browser. No financial data or inputs are stored or transmitted.
No Distractions
No signups required, no popups, no interstitial ads blocking your calculator workflow.
Editorial & Data Review
Our calculations are maintained by web tool developers specializing in financial UX and web accessibility. If you notice a tax rate change in your city or province, please notify us via our Contact page so we can update our single-source database.