Sales tax is a consumption tax imposed by governments on the sale of goods and services. The rate varies by country, state, and sometimes city, making it essential for businesses and consumers to calculate the correct amount. Whether you are pricing products for retail, preparing quotes for clients, or simply checking a receipt, knowing the tax-inclusive and tax-exclusive prices helps you budget accurately and stay compliant with local tax regulations.

Our free sales tax calculator lets you enter any price and tax rate to instantly see the tax amount, price before tax, and total price including tax. You can switch between adding tax to a base price or extracting tax from an inclusive price. The tool supports multiple currencies and updates in real time, making it ideal for merchants, freelancers, shoppers, and anyone who needs quick, accurate sales tax computations without a spreadsheet.