VAT calculator

Add or remove VAT at a selected rate. The calculation is transparent; the liability decision remains yours to verify.

Starting amount
Arithmetic rate

This calculator applies arithmetic only. It does not decide which rate or VAT treatment applies.

Calculation
Net
£1,000.00
VAT at 20%
£200.00
Gross
£1,200.00
Rounded to the nearest penny for display.
Adding VAT

Gross equals net multiplied by one plus the selected rate.

Removing VAT

Net equals gross divided by one plus the selected rate. VAT is gross minus net.

Rate choice

Use the rate only after checking the product, service, customer, use and any relief conditions.

Important

VAT0 resources provide general information and arithmetic support. They do not determine the VAT treatment of a transaction or replace advice based on complete facts.