Percentage calculator
Calculate percentages online, including percent of a number, percentage increase, and percentage decrease.
Sales tax / VAT calculator
Calculate sales tax or VAT online. Add tax to a price or work backwards from a tax-inclusive total.
How to use Sales tax / VAT calculator
Calculate sales tax or VAT on any price. Add tax to a pre-tax amount or extract tax from a tax-inclusive total. Enter the tax rate as a percentage.
Method: Add-tax mode uses amount × rate. Extract-tax mode divides the tax-inclusive total by 1 + rate, then subtracts the pre-tax amount. Rates, exemptions, compound taxes, and legal rounding rules vary by jurisdiction.
Works for US sales tax, UK VAT, EU VAT, GST, and any percentage-based consumption tax.
Sales tax / VAT calculator FAQs
Is Sales tax / VAT calculator free?
Sales tax / VAT calculator is a free online tool on ReallyUseful.Tools. No account is required.
Does Sales tax / VAT calculator run in my browser?
Sales tax / VAT calculator is designed to run in your browser where supported, so files can stay on your device instead of being uploaded to a server.
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