How to use the UK VAT Calculator
Enter the amount and VAT rate and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.
The formula
VAT-exclusive: net × rate. VAT-inclusive: gross × rate ÷ (1 + rate).
Examples
- With the default values
Net amount: £100.00 VAT: £20.00 Gross amount: £120.00
- With amount set to 200
Net amount: £200.00 VAT: £40.00 Gross amount: £240.00
Limitations and assumptions
Choose the correct rate for the supply. This tool does not determine whether a product is standard-rated, reduced-rated, zero-rated or exempt. This is an implementation preview based on the linked official source; it has not yet received independent professional review. Do not use as a tax filing, payroll or legal determination.
Frequently asked questions
What does the UK VAT Calculator do?
Add or extract VAT. The standard UK rate is 20%; reduced and zero rates apply to qualifying goods and services.
How does the UK VAT Calculator work?
Enter the amount and VAT rate and the result appears straight away. Everything runs in your browser, so nothing you type is uploaded.
What formula does the UK VAT Calculator use?
VAT-exclusive: net × rate. VAT-inclusive: gross × rate ÷ (1 + rate).
What should I keep in mind when using the UK VAT Calculator?
Choose the correct rate for the supply. This tool does not determine whether a product is standard-rated, reduced-rated, zero-rated or exempt. This is an implementation preview based on the linked official source; it has not yet received independent professional review. Do not use as a tax filing, payroll or legal determination.
Can I see an example of the UK VAT Calculator?
Most goods and services use the 20% standard rate, but qualifying items may use a different rate or be exempt.
Is the UK VAT Calculator free to use?
Yes. It is free, needs no account and runs in your browser.
Reference source
Checked against the official reference on gov.uk.
Source link and effective period are shown for transparency. This does not replace professional review.