Overview
What Is a Sales Tax Calculator?
This tool calculates the sales tax amount and total price for a purchase, given the pre-tax price and tax rate.
Calculate sales tax and your total purchase price instantly.
This tool calculates the sales tax amount and total price for a purchase, given the pre-tax price and tax rate.
Useful for budgeting purchases, invoicing customers, or understanding your total cost before checkout.
Input the item's price before tax.
Input the sales tax percentage for your area.
The tax amount and total price update automatically.
Check your state or local government's tax authority website, or look at a recent receipt.
No, many jurisdictions exempt certain items (like groceries or medicine) or apply different rates.
Tax Amount = Price × (Tax Rate ÷ 100), then Total = Price + Tax Amount.
The math is universal, though you'll need your specific local tax rate for accuracy.
This calculator goes pre-tax to total - for reverse calculation, divide your total by (1 + tax rate as decimal).
They're similar concepts but calculated differently in some countries - confirm your local system.
No, enter your combined effective tax rate (state + local combined) for accuracy.
Yes, this is a common use case for calculating tax on customer invoices.
No, calculations happen entirely in your browser.
Yes, completely free with no sign-up required.