Online VAT Calculator

This is a useful and simple tool to calculate the VAT contained within a total amount, or the VAT charged on a net amount.

VAT Calculator

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How to use our value added tax calculator

To use our calculator, just select the rate of VAT you want to know about and enter the amount you have in mind in the box provided. If that amount is inclusive of VAT tick the box; if it isn’t and you want to add it, leave the box blank. All you have to do then is to click the calculate button and you will find out everything you need to know as the answers appear right in front of you.

Changes to the standard rate of VAT

Please note that a change to the standard rate of VAT is effective from 1st December 2008, the standard rate of VAT is 15%. Prior to this date the standard rate of VAT was 17.5%. The rate reverted back to the 17.5% rate at the start of 2010, we updated our VAT calculator when this change happened, but still kept the 15% rate on the drop down list if needed. From January 2011, VAT in the UK is now 20% and we have added this to our VAT calculator.