VAT Calculator UK – Fast & Free Online VAT Calculation Tool 2026

VAT Calculator UK

Fast, accurate VAT calculations for UK businesses – Add or remove VAT instantly

£
20% Standard
5% Reduced
0% Zero
Net Amount (excl. VAT)
£0.00
VAT Amount
£0.00
Total (incl. VAT)
£0.00

Understanding UK VAT: Your Complete Guide

Value Added Tax (VAT) is a consumption tax applied to most goods and services in the United Kingdom. Our VAT calculator helps businesses, contractors, freelancers, and individuals quickly calculate VAT amounts, ensuring accurate invoicing, pricing, and financial record-keeping. Whether you need to add VAT to a price quote or remove VAT from a receipt, this tool provides instant, accurate calculations compliant with UK tax regulations.

This small business VAT calculator is ideal for UK sole traders, freelancers, and growing companies that need to work out VAT quickly and accurately. Whether you want to calculate VAT UK prices for invoices or deduct VAT from amounts that already include tax, this tool simplifies the entire process. Instead of relying on manual formulas or spreadsheets, you can instantly work out net amounts, VAT charged, and totals, helping you stay compliant with HMRC requirements while saving time on everyday financial calculations.

What is VAT and How Does It Work?

VAT is an indirect tax charged on the sale of goods and services at each stage of production and distribution. In the UK, the standard VAT rate is 20%, which applies to most goods and services. Businesses registered for VAT must charge VAT on their sales (output tax) and can reclaim VAT on their business purchases (input tax), remitting the difference to HMRC. Understanding the difference between Add VAT vs Remove VAT is essential for accurate pricing, invoicing, and VAT compliance.

The UK VAT system includes three main rates:

  • Standard Rate (20%): Applied to most goods and services, including electronics, clothing, restaurant meals, and professional services.
  • Reduced Rate (5%): Applied to certain items such as domestic fuel and power, children’s car seats, smoking cessation products, and some energy-saving materials.
  • Zero Rate (0%): Applied to zero-rated items including most food and drink, children’s clothing, books, newspapers, and public transport.

How to Calculate VAT: Simple Methods

Calculating VAT manually involves straightforward mathematics, but our calculator saves time and eliminates errors:

To Add VAT (20%):

  1. Take your net amount (price excluding VAT)
  2. Multiply by 1.20 (or multiply by 0.20 and add to the original amount)
  3. Example: £100 × 1.20 = £120 (gross amount including VAT)

To Remove VAT (20%):

  1. Take your gross amount (price including VAT)
  2. Divide by 1.20 to get the net amount
  3. Example: £120 ÷ 1.20 = £100 (net amount excluding VAT)
  4. VAT amount: £120 – £100 = £20

Pro Tip: When removing VAT, never simply subtract 20% from the gross amount. This is mathematically incorrect. Always divide by 1.20 instead.

Who Needs to Register for VAT?

Understanding VAT registration thresholds is crucial for UK businesses:

  • Mandatory Registration: You must register for VAT if your VAT taxable turnover exceeds £90,000 in any 12-month period (as of April 2024). This includes the value of all standard and reduced-rated supplies.
  • Voluntary Registration: You can voluntarily register below the threshold if it benefits your business, particularly if you incur significant VAT-able expenses that you wish to reclaim.
  • Distance Selling: Special rules apply for businesses selling goods to EU customers or operating across borders.

Common VAT Calculation Scenarios

Our VAT calculator handles various business situations:

  • Creating Invoices: Calculate the correct VAT to charge customers based on net prices
  • Price Comparisons: Determine VAT-inclusive prices when comparing supplier quotes
  • Expense Claims: Work out how much VAT can be reclaimed on business purchases
  • Retail Pricing: Set competitive retail prices that include VAT while maintaining profit margins
  • VAT Returns: Prepare accurate quarterly VAT return submissions to HMRC

Benefits of Using a VAT Calculator

Our online VAT calculator provides numerous advantages for UK businesses:

  • Speed: Instant calculations save time compared to manual arithmetic
  • Accuracy: Eliminates calculation errors that could lead to incorrect invoicing
  • Multiple Rates: Switch between standard, reduced, and zero rates easily
  • Mobile-Friendly: Calculate VAT on the go from any device
  • Free to Use: No subscription or registration required
  • Professional: Ensures compliance with HMRC requirements

VAT Record-Keeping Requirements

If you’re VAT-registered, you must maintain proper records for at least six years, including:

  • VAT invoices for all supplies made and received
  • A VAT account summarizing output and input tax
  • Records of daily gross takings and purchases
  • Supporting documents such as credit notes, sales books, and purchase books
  • Copies of VAT returns submitted to HMRC

Disclaimer: This VAT calculator is provided for informational purposes only and should not be considered professional tax advice. While we strive for accuracy, always verify calculations with your accountant or tax advisor. For official guidance, consult HMRC directly or speak with a qualified tax professional. VAT rates and regulations may change, and specific circumstances may affect your VAT obligations.

Frequently Asked Questions About UK VAT

What is the current UK VAT rate?
The standard UK VAT rate is 20%, which applies to most goods and services. There is also a reduced rate of 5% for certain items such as domestic fuel and children’s car seats, and a 0% rate for zero-rated items like most food, children’s clothing, and books.
How do I add VAT to a price?
To add VAT to a net price, multiply the amount by 1.20 (for 20% VAT). For example: £100 × 1.20 = £120. Alternatively, calculate 20% of the amount (£100 × 0.20 = £20) and add it to the original price. Our calculator does this instantly for you.
How do I remove VAT from a price?
To remove VAT from a gross price (including VAT), divide by 1.20 (for 20% VAT). For example: £120 ÷ 1.20 = £100. The VAT amount is then £120 – £100 = £20. Never simply subtract 20%, as this gives an incorrect result.
When should I register for VAT?
You must register for VAT if your VAT taxable turnover exceeds £90,000 in any 12-month period (as of the 2024/25 tax year). You can also voluntarily register below this threshold, which may benefit your business if you regularly reclaim VAT on expenses.
What is the difference between VAT-inclusive and VAT-exclusive?
VAT-exclusive (net) is the price before VAT is added. VAT-inclusive (gross) is the total price including VAT. For example, if an item costs £100 net, the VAT-inclusive price at 20% would be £120 (£100 net + £20 VAT).
Can I use this VAT calculator for business invoices?
Yes, absolutely! This VAT calculator is perfect for creating accurate business invoices, quotes, and receipts. It helps you quickly calculate the correct VAT amount to charge customers or reclaim from HMRC. Always ensure your invoices meet HMRC requirements for VAT-registered businesses.
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