Add tax to a price or extract tax from a tax-inclusive total — instantly
VAT (or sales tax, or GST, depending on your country) is a percentage added to a price. There are two directions you will need it: adding tax to a price that does not include it yet, and pulling tax back out of a price that already does. Enter your amount and tax rate above and the calculator does both instantly, but it helps to know the formula behind it.
Working VAT backwards means starting from a final, tax-inclusive price and finding the net amount and the tax hidden inside it, the exact "remove VAT from a price" case above. It comes up constantly when checking a supplier invoice or a client's all-in budget. Select "Extract tax from price" above to use this as a reverse VAT calculator, or read the full walkthrough in how to remove VAT from a price.
VAT, GST, and sales tax all describe the same idea: a percentage added to the price of goods or services. The name and exact rules change by country, but the arithmetic is identical, so this calculator works for any of them. Enter your local rate and it will add or remove tax correctly whether you call it VAT, GST, or sales tax.
Yes. Our Biz Tools VAT and sales tax calculator is 100% free to use, with no sign-up required.
Select "Extract tax from price", enter the tax-inclusive amount and the tax rate, and the calculator instantly shows the net price and the tax amount included in it.
Select "Add tax to price", enter the net amount and the tax rate, and the calculator multiplies it out to show the tax amount and the final gross price.
Yes. Enter any tax rate percentage, or choose one of the common preset rates, and the calculator will work for VAT, GST, or sales tax in any country.
Calculating VAT backwards means starting from a tax-inclusive (gross) price and working out the net price and the tax within it. Select "Extract tax from price", enter the gross amount and the tax rate, and the calculator does the reverse VAT calculation instantly.
Yes. Enter your local sales tax rate and the calculator adds it to a price or extracts it from a tax-inclusive total, the same way it handles VAT or GST.
No. VAT payable is output VAT minus input VAT across a whole filing period, not the tax on one transaction. See our guide on <a href="/blog/how-to-calculate-vat-payable" class="text-primary-700 underline hover:text-primary-600 transition-colors">how to calculate VAT payable</a> for the formula and a worked example.