Sales Tax / GST / VAT Calculator
Add tax to a price, or work out the pre-tax price from a tax-inclusive total.
Add tax to a price
—Tax amount
—Total price
Work backward from a tax-inclusive total
—Pre-tax price
—Tax amount
How it works
Works both directions: add tax to a pre-tax price, or start from a tax-inclusive total and recover the original price using total ÷ (1 + rate).