Free Online Sales Tax Calculator (Add & Reverse Tax)
Calculate sales tax, total purchase price, and reverse pre-tax prices easily.
Sales Tax Amount
$9.90
Total Gross Amount (Including Tax)
$129.90
Client-Side Processing: All financial and personal inputs remain private in your browser.
Formula & Calculation Method
Total = Price * (1 + Tax%) | Pre-Tax Price = Total / (1 + Tax%)
Add state/local sales tax or VAT to any price, or reverse-calculate the pre-tax price from a receipt total with instant breakdown.
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