How do I add VAT to a price?

Multiply the net (ex-VAT) price by 1.20 for standard 20% VAT. For example, £100 net becomes £120 gross. The VAT portion is £20.

How do I remove VAT from a gross amount?

Divide the gross (inc. VAT) amount by 1.20 for standard 20% VAT. For example, £120 gross becomes £100 net. The VAT portion is £20.

What is the formula for reversing VAT?

To remove VAT: Net = Gross ÷ (1 + VAT rate). A common mistake is subtracting 20% of the gross — this gives the wrong answer because 20% of the gross is more than the actual VAT.

VAT Add / Remove Calculator

To add VAT: multiply the net amount by 1.20 (for 20% VAT). To remove VAT: divide the gross amount by 1.20. The VAT portion is the difference between gross…

What this calculator does

This calculator adds VAT to a net amount or removes VAT from a gross amount. It shows the net amount, the VAT amount, and the gross amount clearly.

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