Free Tax Calculator
Reverse Sales Tax Calculator
Calculate the original price before sales tax and the tax amount from a tax-inclusive total price.
Enter your numbers
Enter the total price including sales tax and the applicable tax rate to calculate the original price before tax.
$
Enter the final amount paid after sales tax.
%
Enter the sales tax rate applied to the purchase.
Results
Enter the total price and sales tax rate to see the results.
Example
If the total price is $108 and the sales tax rate is 8%, the price before tax is $100 and the sales tax is $8.