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Reverse VAT Calculator

Extract VAT from a VAT-inclusive (gross) price to find the net amount and the VAT included.

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About the Reverse VAT Calculator

Receipts and consumer prices usually include VAT. To book expenses or reclaim VAT you need the net price and the VAT portion. A common mistake is subtracting the rate from the gross price (e.g. 20% of £120 = £24), which is wrong; the correct method divides by 1 + rate (£120 ÷ 1.2 = £100 net, £20 VAT).

How to use it

  1. Enter the gross (VAT-inclusive) amount.
  2. Enter the VAT rate.
  3. Read the net amount and the VAT included.

Good to know

  • Results are estimates for planning purposes and not financial, tax or legal advice. Lenders and tax authorities may calculate differently.

Frequently asked questions

What is the VAT fraction for 20%?

1/6 of the gross amount (20/120).

How do I reverse-calculate 19% VAT?

Divide the gross by 1.19.

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