How do I reverse tax?

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Sales Tax Calculator

Quickly calculate sales tax and total cost for any purchase

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Price Before Tax

Tax Rate (%)

Enter price and tax rate

Enter the price.

Input the tax percentage.

Get the tax amount and total price.

Simplified tax calculations for any region. Whether you're a shopper or a seller, find the exact tax amount and total cost in seconds.

Calculate tax on top or extract tax from a total.

Works with any state or country tax percentage.

Calculate for multiple items at once.

To find the price before tax, divide the total price by (1 + tax rate). For example, $105 / 1.05 = $100.

Calculate percentages, increases, and decreases.

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Last updated on March 7, 2026