Sales Tax Calculator

Add sales tax to a price to get the total, or see the tax portion of a purchase.

Your details

Amount (before tax)$Sales tax rate%

Total with tax

$108.25

Sales tax: $8.25
Amount before tax: $100.00

Net vs tax

Net: $100.0092%
Tax: $8.258%

Total with tax$108.25

Formula

Tax = amount × rate. Total = amount + tax.

Sources & methodology

Applies the rate you enter. Actual sales tax rates vary by US state and locality.

•Sales tax rates vary by state and locality — USA.gov

Last updated: 2026-07-19

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By state

State-specific versions with local tax rates prefilled.

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