GST / VAT / Sales Tax Calculator
Add or remove GST, VAT, or sales tax from a price.
Calculate GST, VAT, or sales tax at any rate. Add tax to a net amount, or work backwards to extract the tax from a tax-inclusive (gross) price — with the net, tax, and gross totals shown.
Runs entirely in your browser — nothing is uploaded.
How to use the gst / vat / sales tax calculator
- 1Choose Add tax or Remove tax.
- 2Enter the amount and the tax rate.
- 3See the net, tax, and gross totals.
Frequently asked questions
How do I remove VAT from a price?
Use Remove tax: the tool divides the gross price by (1 + rate/100) to find the net amount, and the difference is the tax.
Does it work for any tax rate?
Yes — enter any percentage, so it works for VAT, GST, or local sales tax anywhere.