Finance

Sales Tax Calculator

Compute sales tax and total price from a pre-tax amount.

Free to use — no sign-up or login.

Sales tax

Total

This free Sales Tax Calculator covers Compute sales tax and total price from a pre-tax amount.

Sales tax is a percentage of the pre-tax price added at checkout. Related finance tools sit beside How it works, with no account required.

Using the Sales Tax Calculator

Compute sales tax and total price from a pre-tax amount. Typical inputs are Price before tax ($) and Tax rate (%). How it works beside the form states the identity the Sales Tax Calculator applies.

FAQ

How do I use the Sales Tax Calculator?

Open the Sales Tax Calculator, fill Price before tax ($) and Tax rate (%), and read the result. Tax equals price times rate; total adds tax to price.

What formula does the Sales Tax Calculator use?

The Sales Tax Calculator uses the identity in How it works. In words: Tax equals price times rate; total adds tax to price.

Assumptions and limitations

Finance results are illustrative. They typically omit taxes, fees, prepayment penalties, and product rules, and they are not investment or lending advice.