Sales Tax Calculator

Calculate sales tax, tax amount, and the final price after adding sales tax to an original price.

Calculate sales tax

Select a currency, enter the original price and sales tax rate to calculate the tax amount and final price.

Final price including tax
—
Tax Amount
—
Currency —
Original price —
Sales tax rate —
Tax amount —
Final price —
Step-by-step

How to calculate sales tax

Sales tax is calculated by multiplying the original price by the sales tax rate. The tax amount is then added to the original price to determine the final price.

Tax amount = Original price × Tax rate
Final price = Original price + Tax amount

Step-by-step calculation

1
Choose a currency Select the currency used for displaying the monetary amounts.
2
Enter the original price Enter the price before sales tax is added.
3
Enter the sales tax rate Enter the applicable sales tax percentage.
4
View the tax and final price The calculator shows the tax amount and the final price after tax is added.

Example

Suppose an item costs $100 and the sales tax rate is 8.25%.

Currency USD — US Dollar ($)
Original price $100.00
Sales tax rate 8.25%
Tax amount $8.25
Final price $108.25

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Note: This calculator calculates sales tax based on the rate you enter. Tax rates can vary by location and type of purchase. The currency selector only changes the way amounts are displayed and does not perform currency conversion.