How do I reverse tax?

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Sales Tax Calculator

Quickly calculate sales tax and total cost for any purchase

Price Before Tax

Tax Rate (%)

Enter price and tax rate

Quickly find the total price including sales tax or backtrack to find the net price.

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.

Estimate your federal income tax and marginal rates.

Calculate percentages, increases, and decreases.

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Last updated on March 1, 2026