Everyday math
Sales tax calculator
Add a percentage-based sales tax, VAT, or GST rate to any pre-tax amount.
Enter the applicable local rate. This tool works for sales tax, VAT, GST, and similar percentage-based charges.
Total including tax
$108.25
8.25% adds $8.25 to the pre-tax price.
Tax rules, exemptions, compound taxes, and rounding vary by jurisdiction. Confirm the applicable rate and basis.
Plain-language method
Apply the local rate to the taxable amount.
Multiply the pre-tax price by the tax rate to find the tax amount, then add that tax to the original price.
The correct rate and taxable basis depend on the location, product, customer, and transaction. Enter the rate that applies to your situation.
Results update instantly and stay on your device. Review the assumptions above before using an estimate for a financial decision.