How to use this calculator
Select whether the amount already includes VAT. Removing VAT requires division by the tax multiplier, rather than subtracting the tax percentage from the gross total.
The default rate is an example, not a current country or product tax rate. Enter the rate applicable to your transaction. Invoice line rounding may differ from rounding a single total.
The formula
Gross = net × (1 + rate ÷ 100). Net = gross ÷ (1 + rate ÷ 100). VAT = gross − net.
A worked example
At an illustrative rate of 20%, a net price of 100 becomes 120 gross. Extracting VAT from 120 gives 100 net and 20 VAT.
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