About this calculator
Add or remove a user-entered VAT percentage.
Enter the rate that applies to your transaction and jurisdiction.
Formula
Add VAT: gross = net × (1 + rate). Remove VAT: net = gross ÷ (1 + rate).
Example
100 net at 20% VAT = 120 gross.
Accuracy
NUMTX shows the assumptions next to the calculation so you can replace defaults with values that match your situation. For measurements, supplier rates, fees, interest, tax or regulated work, confirm important figures with the appropriate official or professional source.