Sales Tax Calculator
Use this free sales tax calculator to add tax to a price or remove tax from a total amount. Instantly calculate tax amount, price before tax, and total price after tax.
Frequently Asked Questions
What is a sales tax calculator?
A sales tax calculator helps you calculate how much tax is added to a purchase or remove tax from a total amount that already includes sales tax.
How do you calculate sales tax?
Multiply the price before tax by the sales tax percentage to find the tax amount. Then add that amount to the original price to get the final total.
How do you remove sales tax from a total price?
Divide the total price by 1 plus the tax rate as a decimal. This gives you the original price before tax.
Can I use any tax rate in this calculator?
Yes. You can enter any percentage rate, which makes this calculator useful for different countries, states, and tax systems.
Is this sales tax calculator free?
Yes, this online sales tax calculator is completely free to use on desktop and mobile devices.