# VAT Calculator

> Add 20% or 5% VAT to a price or remove VAT from a VAT-inclusive total.

URL: https://paycheck-math.com/uk/vat-calculator/  
Breadcrumbs: Home > United Kingdom > VAT Calculator  
Language: en-GB  
Rates checked: 2026-11-01  

The standard UK VAT rate is 20% and the reduced rate is 5%. Add VAT to a net price or take it out of a gross one.

## Result with default inputs

Inputs: amount=100, rate=20, mode=add

**Price with tax: £120.00**

- Tax: £20.00

| Line | Item | Amount |
| --- | --- | --- |
| 1 | Price before tax | £100.00 |
| 2 | Tax | £20.00 |
| 3 | **Price with tax** | £120.00 |


To compute other inputs, call the JSON API: `https://paycheck-math.com/api/v1/calculate?path=%2Fuk%2Fvat-calculator%2F&amount=100&rate=20&mode=add` or open the page URL with the same query parameters.

## Examples at 20%

| Amount | Tax added | Total with tax | Tax inside a tax-included amount |
| --- | --- | --- | --- |
| £10.00 | £2.00 | £12.00 | £1.67 |
| £50.00 | £10.00 | £60.00 | £8.33 |
| £100.00 | £20.00 | £120.00 | £16.67 |
| £250.00 | £50.00 | £300.00 | £41.67 |
| £500.00 | £100.00 | £600.00 | £83.33 |
| £1,000.00 | £200.00 | £1,200.00 | £166.67 |
| £5,000.00 | £1,000.00 | £6,000.00 | £833.33 |

## Questions people ask

### How do I remove VAT from a price?

Divide the VAT-inclusive price by 1 + the rate. At 20%, £120.00 ÷ 1.20 = £100.00.

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Estimates for information only, not tax, legal or financial advice. Check with an adviser or the official tax authority.