Sales Tax Calculator
Use this calculator for a simple tax percent. Add tax to an amount, or remove tax from a total you already paid. There are no location tables here: enter the rate that applies to your purchase.
How this is calculated
Adding tax is an increase by a percent. Finding the pre-tax amount is reverse percentage after an increase.
total = amount × (1 + tax / 100), or pre-tax = total / (1 + tax / 100)
- 7% of 500 is 35, so the total is 535.
- A receipt of 216.50 at 8.25% has a pre-tax amount of 216.50 / 1.0825 = 200. The tax is 16.50.
- Rates are plain percents. This page does not look up city or state tables.
If the price is already discounted, calculate the sale price first, then add tax to that amount.
Not the same as
Sales tax is an add-on percent. Nearby tools use the same arithmetic with other labels.
- Increase or decrease by a percent That is the unlabeled version of adding tax. Open increase or decrease by a percent
- Reverse percentage That is the unlabeled version of finding the pre-tax amount. Open reverse percentage
Related tools
Sales-tax questions
35 in tax, for a total of 535.
200. Divide 216.50 by 1.0825. The tax is 16.50.
No. Enter the percent yourself. There are no geographic tax tables on this site.
Yes. 500 increased by 7% is 535.
Usually after. Find the sale price, then add tax to that amount.
4 in tax, for a total of 84.