Sales Tax Calculator
Add or remove sales tax instantly. Enter an amount and tax rate to get the tax amount, pre-tax price, and total.
Calculation Type
Enter the pre-tax amount to calculate sales tax and total.
Enter amount and sales tax rate to see results
Table of Contents
What is sales tax?
Sales tax is a tax charged at the point of sale on goods and services. Rates vary by state and locality. Use this calculator to add sales tax to a pre-tax amount or remove it from a total.
Enter your amount and tax rate using presets for common US rates or type a custom rate like 6.25%.
How it works
- Choose Add Sales Tax to calculate total from pre-tax, or Remove Sales Tax to find pre-tax from total.
- Enter the dollar amount.
- Select a preset rate or type a custom rate.
- See the tax amount, pre-tax, and total instantly.
Sales tax formulas
Add or remove sales tax instantly. Enter an amount and tax rate to get the tax amount, pre-tax price, and total.
Common use cases
Add or remove sales tax instantly. Enter an amount and tax rate to get the tax amount, pre-tax price, and total.
Examples
Add or remove sales tax instantly. Enter an amount and tax rate to get the tax amount, pre-tax price, and total.
Frequently asked questions
Select "Add Sales Tax", enter the pre-tax amount and tax rate. The calculator shows the tax amount and total.
Select "Remove Sales Tax", enter the total (including tax) and tax rate. The calculator backs out the pre-tax amount and tax portion.
Yes. All calculations happen locally in your browser. No data is sent to a server.