Sales Tax Calculator

Determine the amount of sales tax owed and the final total price given a pre-tax price and a tax rate.

Inputs
Results
Tax Amount
$7.25
Total Price
$107.25

Try an example

Formula

Total = Price × (1 + Tax Rate)

Learn How This Works

The Math Behind Splitting a Bill and Calculating a Tip

How tip and bill-splitting calculations work, and a quick mental-math shortcut for common tip percentages.

Frequently Asked Questions

Related Calculators

Tip Calculator

Quickly calculate the tip amount and total bill split between people.

Discount Calculator

Calculate the sale price and amount saved from a percentage discount.

Mortgage Calculator

Estimate your monthly mortgage payment, total interest, and payoff schedule.

Loan Calculator

Calculate monthly payments for any personal, auto, or business loan.

Compound Interest Calculator

See how your savings or investments grow with compound interest over time.

Simple Interest Calculator

Calculate simple interest earned or owed on a principal amount.