Add VAT to a net price, or work out how much VAT is inside a price that already includes it. The rate is set to the UK standard 20% but you can change it for any country or sales tax.
Add this calculator to your website
Free to use on your blog or website. Paste this code where you want the calculator to appear, for example in a Custom HTML block in WordPress.
How to add and remove VAT
- Add VAT: price × (1 + rate). At 20%, £100 becomes £120.
- Remove VAT: total ÷ (1 + rate). At 20%, £120 ÷ 1.2 = £100, so the VAT is £20.
A common mistake is taking 20% off the total: 20% of £120 is £24, which is wrong.
Frequently asked questions
What are the UK VAT rates?
The standard rate is 20%, with a reduced rate of 5% for some items such as home energy, and 0% for items like most food and children’s clothes.
Can I use this for GST or US sales tax?
Yes, just enter the rate. For India, the GST calculator also splits CGST and SGST.