VAT / Sales Tax Calculator

Add VAT or sales tax to a price, or remove it from a tax-inclusive amount. Enter the amount and your local tax rate to see the net, tax and gross figures instantly.

Add tax (net → gross)

Start with a net (tax-exclusive) amount and add tax to find the gross total. e.g. $100 + 20% VAT = $120.

Tax amount
Gross (incl. tax)
Effective rate

Remove tax (gross → net)

Start with a tax-inclusive (gross) amount and back-calculate the net price and the tax portion. e.g. $120 incl. 20% VAT = $100 net + $20 tax.

Net (excl. tax)
Tax amount

VAT (Value Added Tax) and sales tax are consumption charges added to goods and services. This calculator handles both directions: adding tax to a net price, and stripping tax back out of a tax-inclusive total.

How it works

  • Add tax: gross = net × (1 + rate/100), tax = net × rate/100
  • Remove tax: net = gross / (1 + rate/100), tax = gross − net

Examples

  • $100 net + 20% VAT = $120 gross, $20 tax
  • $120 gross at 20% VAT = $100 net, $20 tax
  • UK VAT is 20%, EU rates vary 17–27%, US sales tax averages 6–8%

Frequently asked questions

What is the difference between tax-inclusive and tax-exclusive?

Tax-exclusive (net) prices have tax added on top; tax-inclusive (gross) prices already contain the tax. Quoted retail prices are usually inclusive, while B2B quotes are often exclusive.

Which rate should I use?

Use the rate that applies where the supply is consumed. Standard rates change over time and by category (some goods are zero-rated or reduced), so check current rules for your jurisdiction.

Just for the giggles, much love.
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