Sales Tax & VAT Calculator

Enter a price and a tax or VAT rate to see the tax amount and the total price, or work backwards from a tax-inclusive price to find the pre-tax amount.

How it works

  1. Enter the pre-tax price of the item.
  2. Type in the sales tax or VAT rate for your region.
  3. The tool shows the tax amount and the total price inclusive of tax.
  4. Switch between 'add tax' and 'remove tax' (reverse VAT) using the toggle.

Frequently asked questions

How do you calculate VAT from a total price?

Divide the VAT-inclusive price by (1 + VAT rate) to get the pre-tax price, then subtract that from the total to get the VAT amount.

Is sales tax calculated the same way as VAT?

The maths is identical — tax equals price times rate — but sales tax is usually added at checkout in the US, while VAT is typically already included in the displayed price in the UK and EU. Use the mode that matches how the price was quoted to you.