Calculate sales tax on any amount
%
Tax Amount
$8.5Total with Tax
$108.5Common Tax Rates
Tax Formula
Tax = Amount × (Tax Rate / 100) • Total = Amount + Tax
100 × (8.5 / 100) = $8.5 tax • Total: $108.5
Free Sales Tax Calculator
Calculate the sales tax and total cost for any purchase. Enter the pre-tax amount and tax rate to see the tax amount and final total. Quick buttons for common US tax rates.
About this tool
The sales tax calculator computes the tax amount and total cost including tax. Simply enter the purchase amount and your local tax rate.
- Common tax rate buttons for quick selection
- Shows tax amount and total with tax
- Step-by-step formula display
- Works with any currency and tax rate
100% free. No signup required. No data collected or sent anywhere.
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