Sales Tax Calculator

Add a sales-tax rate to a pre-tax price.

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Enter your numbers.

Behind the answer

How to calculate

Tax = price × rate ÷ 100; total = price + tax

An 8.25% tax on 100 is 8.25, for a total of 108.25.

Enter the applicable combined rate. This tool does not look up local tax rules.

Results display up to 8 decimal places; exported numbers preserve calculation precision. This is a calculation summary, not an official certificate.