%FINANCE
Sales Tax Calculator
Calculate tax amount and final price from a pre-tax price and sales tax percentage.
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Privacy-friendly: your inputs are processed locally in your browser.
Formula
The calculator applies the entered tax percentage directly to the pre-tax price.
Tax = price × tax% ÷ 100
Final price = price + tax
Final price = price + tax
How it works
1
Enter the pre-tax price.
2
Enter the sales tax percentage.
3
Review the tax amount and final price.
Important notes
Tax rates and tax treatment depend on location and transaction. This tool does not determine which rate legally applies.