UK VAT Calculator: Add, Remove & Extract 20% Value Added Tax

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UK VAT Calculator: Add, Remove & Extract 20% Tax

✓ 2026/27 Tax Year Verified

100% Free online UK VAT calculator. Add 20% VAT to net prices, extract VAT from gross totals using the 1/6th formula, calculate 5% reduced rates, and estimate your quarterly Making Tax Digital (MTD) return liability.

Popular Price & Threshold Presets:
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VAT Calculation Parameters

Calculation Mode
£
Applied Mathematical Formula:
Gross = Net × 1.20 | VAT = Net × 0.20
📊 Estimate Quarterly VAT Return (MTD) ▼
Net Amount
£1,000
excl. VAT
VAT Amount
£200
at 20%
Gross Total
£1,200
incl. VAT
VAT Rate Applied
20%
Standard Rate

Calculation Breakdown

Net Base Price £1,000.00
VAT (20%) £200.00
Gross Invoice Total £1,200.00
Net 83.3%
VAT 16.7%
UK VAT Rate ClassificationRateCommon Examples
Standard Rate20%Adult clothing, electronics, professional services, alcohol
Reduced Rate5%Domestic gas & electricity, children's car seats, mobility aids
Zero Rate0%Most food, books, newspapers, children's clothing, public transport
VAT Registration Threshold£90,000 (Mandatory rolling 12-month taxable turnover limit)
ℹ️ HMRC £90,000 Registration Threshold: You must register for VAT within 30 days if your taxable turnover exceeds £90,000 in any rolling 12-month period, or if you expect to exceed it in the next 30 days alone. Deregistration is permitted if sales drop below £88,000.
🛡️
Verified for Accuracy (2026/27 Tax Year)
Fact-checked and audited by David Vance, CTA FCA, Chartered Tax Advisor & Accountant. Verified against official HMRC rules.
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How We Calculated This

  1. Identify the Direction of Calculation: Determine whether you are performing a 'VAT Addition' (calculating VAT on a net amount to find the gross price) or a 'VAT Deduction' (calculating the net price and VAT portion from a gross, inclusive amount). This is critical for invoicing and pricing products.
  2. Select the Appropriate VAT Rate: Apply the correct UK VAT rate for the goods or services in question. For the 2026/27 tax year, the standard vat rate uk remains at 20% (applied to most goods and services). The reduced rate of 5% applies to specific items like domestic fuel, energy-saving home installations, and children's car seats. Zero-rated items (0%) include most food, children's clothes, books, and public transport.
  3. Calculate VAT Addition (Net to Gross): To add VAT to a net amount, multiply the net price by the VAT rate (expressed as a decimal, e.g., 0.20 for standard rate). For example, to calculate vat standard rate on a net amount, multiply by 0.20 to find the VAT portion. Add this VAT portion to the original net amount to arrive at the gross, VAT-inclusive price.
  4. Calculate VAT Deduction (Gross to Net): To remove VAT from a gross amount, divide the gross price by 1 plus the VAT rate (e.g., divide by 1.20 for the 20% standard rate). This yields the original net amount. Subtract this net amount from the gross price to isolate the VAT portion that was included in the sale.
  5. Assess against the VAT Registration Threshold: Track your rolling 12-month taxable turnover. For the 2026/27 tax year, the uk vat registration threshold 2026 is set at £90,000. If your taxable turnover in any consecutive 12-month period exceeds this limit, you must register for VAT with HMRC. Conversely, you can apply to deregister if your rolling turnover falls below the deregistration threshold of £88,000.
  6. Evaluate Alternative Schemes: Consider if a specialized VAT scheme is beneficial. Small businesses with an annual taxable turnover under £150,000 can join the vat flat rate scheme. Under this scheme, you pay a fixed percentage of your gross turnover to HMRC depending on your industry sector (e.g., 14.5% for IT contractors), which simplifies record-keeping but prevents you from reclaiming VAT on most business purchases.

Real-World Examples

Detailed Math for Adding 20% VAT to a £250.00 Net Invoice

This scenario shows the standard calculation for adding VAT to a business-to-business invoice for services valued at £250.00 net of tax.

Step 1: Identify Net Amount = £250.00
Step 2: Identify VAT Rate = 20% (0.20 decimal)
Step 3: Calculate the VAT Portion:
        VAT = Net Amount * VAT Rate = £250.00 * 0.20 = £50.00
Step 4: Calculate the Gross Amount:
        Gross = Net Amount + VAT = £250.00 + £50.00 = £300.00
        (The invoice total will show £250.00 net, £50.00 VAT, and £300.00 gross.)
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Detailed Math for Extracting 20% VAT from a £180.00 Gross Purchase

This scenario details how to extract the net amount and VAT portion from a gross retail receipt of £180.00 standard-rated goods.

Step 1: Identify Gross Amount = £180.00
Step 2: Identify VAT Rate Factor = 1.20 (representing 100% net + 20% VAT)
Step 3: Calculate the Net Amount:
        Net = Gross Amount / 1.20 = £180.00 / 1.20 = £150.00
Step 4: Calculate the VAT Portion:
        VAT = Gross Amount - Net Amount = £180.00 - £150.00 = £30.00
        (Alternatively: VAT = Gross * (20/120) = £180.00 * 0.16667 = £30.00)
        (The purchase consisted of £150.00 net cost and £30.00 VAT paid.)
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Frequently Asked Questions

What are the UK VAT rates and exemptions?

Value Added Tax (VAT) is a business tax charged on the sale of goods and services in the UK. There are three tax rates: the Standard Rate of 20%, which applies to most goods and services; the Reduced Rate of 5%, which applies to items like domestic electricity, gas, and children’s car seats; and the Zero Rate (0%), which applies to essential items like most supermarket food, books, newspapers, sanitary products, and children’s clothing. Certain services are exempt from VAT, meaning you do not charge VAT and cannot claim back VAT on business purchases related to them. Exempt categories include bank transactions, insurance, education, health services, and postage stamps.

When must a business register for VAT and how does the rolling threshold work?

You must register for VAT if your VAT-taxable turnover (the total value of sales that are standard, reduced, or zero-rated) exceeds £90,000. Under HMRC rules, this threshold is calculated on a rolling 12-month basis, rather than your business financial year. At the end of every calendar month, you must check your total taxable sales for the previous 12 months. If that sum crosses £90,000, you must register within 30 days of the end of the month in which you crossed the limit. You must also register if you expect your taxable turnover to exceed £90,000 in the next 30 days alone. Businesses below the threshold can choose to register voluntarily, which is beneficial if you sell to other VAT-registered businesses and want to reclaim the VAT paid on your raw materials and business overheads.

What are the standard, flat rate, and margin schemes?

HMRC offers different VAT accounting schemes depending on your business turnover and sector:

  • Standard Scheme: You pay HMRC the difference between the VAT you charged to customers (output VAT) and the VAT you paid on purchases (input VAT).
  • Flat Rate Scheme: Available to businesses with turnover under £150,000. You pay a fixed percentage of your gross, VAT-inclusive sales to HMRC and cannot reclaim input VAT on purchases (except capital items over £2,000). The percentage is set by your business industry.
  • Margin Scheme: Used for second-hand goods, art, and antiques. You pay VAT at 16.67% (one-sixth) only on the difference between the price you paid for an item and the price you sold it for, rather than the full selling price.
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