Work & business · Your inputs

VAT calculator UK: add or remove VAT

Add VAT to a net price or remove VAT from a gross price. Calculate the VAT amount with editable UK rates and see the net and gross price breakdown.

Enter your figures

Your estimate

Price including VAT

£120.00
Net price£100.00
VAT amount£20.00
Gross price£120.00

Choose the rate that applies to your goods or services. UK standard, reduced and zero rates are 20%, 5% and 0%. Zero-rated and VAT-exempt supplies are different. Rates checked 16 October 2026.

How the vat calculator uk: add or remove vat works

Add VAT: net × (1 + rate ÷ 100). Remove VAT: gross ÷ (1 + rate ÷ 100). VAT is gross minus net.

Data basis: mathematical formula using your inputs. Example prices and rates are illustrative, not current market quotes.

Read about data coverage and updates

Worked example: vat calculator

This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.

Price (£)
100
VAT rate (%)
20

Price including VAT: £120.00

Add VAT: net × (1 + rate ÷ 100). Remove VAT: gross ÷ (1 + rate ÷ 100). VAT is gross minus net.

VAT calculator: questions answered

How do I remove 20% VAT from a price?

Divide the VAT-inclusive price by 1.2. Subtracting 20% from the gross price gives the wrong net price because VAT is calculated as a percentage of the net amount.

Plan the next step

Percentage calculator: increases and decreases: Find a percentage, a discounted price or an increase.

Discount calculator UK: sale price and savings: Find the sale price after one percentage discount.

Browse the work & business calculators for more tools in this topic.

Using your result

Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.

Explore all 205 UK calculators