VAT / GST Calculator

Add VAT, GST or sales tax to a net price, or remove it from a gross price to find the amount before tax.

%
Price including tax
118.00
Net amount
100.00
Tax amount
18.00
Gross amount
118.00

Formula

Add tax: Gross = Net × (1 + Rate ÷ 100). Remove tax: Net = Gross ÷ (1 + Rate ÷ 100).

About this calculator

Enter the rate that applies to your product and country. Rates and exemptions are set by national tax authorities and change over time.

Amounts are shown without a currency symbol, so the calculator works for any currency: enter all values in the same one.

Frequently asked questions

Why can't I just subtract the rate from the gross price?

Because the tax was calculated on the net price. Removing 20% VAT from 120 gives 100 (120 ÷ 1.2), not 96.

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