Enter any amount, choose Add VAT or Remove VAT, and this calculator instantly shows you the net, VAT and gross figures — accurate to the penny. It's pre-set to the current UK standard VAT rate of 20%, but you can adjust it to the reduced rate, the zero rate, or any custom percentage in seconds.
Enter any amount and press ‘Add VAT’ to add VAT to a net amount, or ‘Remove VAT’ to remove VAT from a gross amount. Both directions instantly show you the gross, net and VAT amount — no page reload, no waiting.
Got 12 minutes spare? These are tips that genuinely save UK business owners money — with real numbers, not just theory.
1. Mobile phone bills: you can reclaim VAT on the business-use portion of your mobile bill. For example, on a £50/month bill with 60% business use, that's £30 of business spend — at 20% VAT, that's £6/month, or £72/year, reclaimable.
2. Home office costs: if you work from home, you can reclaim VAT on the business portion of electricity, heating, broadband, and even rent if VAT is charged on it. On a £300 quarterly electricity bill with 20% business use, that's £60 of business cost — £10 of reclaimable VAT every quarter.
3. Mileage: you can reclaim VAT on the fuel portion of business mileage paid at HMRC's Advisory Fuel Rates, provided you keep proper logs and VAT receipts covering at least the value of the claim.
4. Professional subscriptions: industry body memberships, trade publications, and professional insurance are all VAT-reclaimable if they relate directly to your business.
You can't reclaim VAT on a car purchase unless it's 100% for business use — but you can reclaim 50% of the VAT on a car lease, even with some private use. On a £400/month lease with 20% VAT (£80), reclaiming 50% saves £40 every month — roughly one of your 12 lease payments a year, free.
5. Open a separate VAT bank account: transfer VAT as you collect it into a dedicated account, so quarterly VAT return time never comes as a surprise — and you'll usually have some left over from reclaimable expenses.
6. Claim pre-registration VAT on your first return: once registered, you can claim VAT back on goods bought in the last 4 years, and on services invoiced in the last 6 months — a welcome first-return bonus many new registrations miss.
7. Review your flat rate percentage annually: have your accountant re-check your flat rate setup whenever your business activities shift. Watch the 16.5% limited cost trader rate — if your goods cost less than 2% of turnover, you'll be stuck on this higher rate regardless of sector.
Business gifts to the same person are VAT-free up to £50 (excluding VAT) per person, per year — you can give branded merchandise, samples or small gifts without accounting for output VAT. Go over £50 to one person in a year, and you must account for VAT on the full value, not just the excess.
8. Time major purchases strategically: a £50,000 equipment purchase means £10,000 in reclaimable VAT. Miss the claim deadline and you could wait up to 3 months to get it back — putting unnecessary pressure on cash flow.
9. Use cash accounting if you have slow-paying clients: normally you owe VAT the moment you issue an invoice. Switch to cash accounting and you only pay once you've actually been paid — particularly useful for slow-cycle industries like manufacturing.
10. Always use Postponed VAT Accounting (PVA) on imports: paying import VAT at the border and waiting to reclaim it burns cash flow for no reason. PVA lets you account for and reclaim the VAT on the same return — net cash impact: zero.
You have to actively select PVA on your customs declaration. Some freight forwarders default to the older pay-first method unless you specifically ask — always check before goods ship.
11. Reclaim VAT on bad debts proactively: you can reclaim VAT on a bad debt once it's 6 months overdue — don't wait any longer than necessary for the best cash flow outcome.
On the Flat Rate Scheme using the cash basis, you might assume bad debt relief doesn't apply — but HMRC guidance confirms you can still claim the difference between 20% standard VAT and your flat rate percentage on unpaid invoices. It's a rule many flat-rate businesses overlook entirely.
12. Check supplier VAT numbers on HMRC's website: occasionally suppliers charge VAT despite never being registered. HMRC provides a free VAT number checker — worth using whenever an invoice is unusually large or from a new supplier.
13. Get an annual VAT health check: even well-run businesses accumulate small VAT errors over time. Specialist reviewers often work on a percentage of what they recover, and refunds can be surprisingly large — worth running once a year.
14. Get CIS reverse charge invoices right: if you work in construction under the Construction Industry Scheme, most B2B construction services fall under the VAT domestic reverse charge — meaning your invoice should usually show no VAT charged, with a reverse charge note instead. Charging VAT incorrectly on these invoices is one of the most common and easily fixed CIS mistakes.
Every one of these happens regularly to real UK businesses. Some are obvious; some are traps that catch even experienced owners.
Even on the standard 20% rate, some supplies qualify for a lower rate. The most common errors happen around zero vs exempt classification, food edge cases, and digital products. Getting it wrong can mean owing a lot, or missing out on a lot — seek professional advice in grey areas.
A valid VAT invoice must show the supplier's name and address, their VAT registration number, the invoice date, a description of the goods or services, the amount excluding VAT, the VAT rate, and the total VAT charged. A card machine receipt, proforma invoice, email, or bank statement doesn't count.
The simplified invoice rule: for purchases under £250 (including VAT), a simplified invoice is fine — just the supplier's name, address, VAT number, date, description, and VAT-inclusive total. Above £250, you're entitled to request a full VAT invoice.
Usually clear-cut, but gets muddy with mixed-use items like a mobile phone bill. The rule is simple: reclaim VAT only on the business-use portion.
Needs regular monitoring if you run mixed activities under the Flat Rate Scheme — a management consultant and an IT consultant sit on different flat rate percentages. If your business mixes activities, apply the rate for whichever generates the most turnover across the whole business.
A builder using company stock on their own home extension, or a bakery owner taking bread home in the evening, technically owes VAT on those goods — and it's a common trigger in VAT audits.
This determines which VAT return a transaction belongs on. Get it wrong and you risk penalties; get it right and you can time cash flow effectively, within the rules.
These are usually the biggest reclaimable VAT amounts available — make sure they run through the right account with a watertight paper trail. Use the calculator above to check the exact VAT amount on any capital purchase.
The claim window opens at 6 months overdue and closes after 4 years and 6 months. Miss the cut-off and the opportunity is gone for good — ask your accountant to apply as early as possible.
HMRC is fine with you reclaiming VAT on a business expense paid from a personal account, as long as you hold a valid VAT invoice in the business name — useful if you're out and about without your business card.
Refunding a customer or reducing an invoice requires a proper VAT credit note with matching output VAT adjustment. Refund without one, and your VAT return will overstate your liability.
VAT on staff entertainment is reclaimable; VAT on client entertainment is not. If clients are present at a team lunch, HMRC treats the whole event as client entertainment.
Especially easy to fall foul of when switching accounting software or accountants — make sure every record is backed up and copies are retained for the full 6-year window.
This catches businesses under cash pressure, and it triggers double penalties — late filing plus late payment. Always file on time regardless, and call HMRC to discuss a Time to Pay (TTP) arrangement, which typically allows up to 12 months to pay. You can only have one TTP active at a time, so use it for genuine one-off emergencies and seek professional advice if you can't see a way to pay at all.
Working out whether you need to register isn't as simple as ‘do I turn over £90k a year’ — and there are good reasons to register earlier than required, especially in B2B.
You must register once your taxable turnover exceeds £90,000 in any rolling 12-month period — the most recent 12 months from any point in time, not a calendar or tax year.
In both cases, HMRC must be notified within 30 days of the end of the month the threshold was crossed. Miss it, and you'll owe backdated VAT you can't re-charge to customers after the fact.
If you expect your turnover to exceed £90,000 in the next 30 days alone, you must register immediately — not at month-end. Sign a £100,000 deal on 30-day terms and you're liable to register on the spot; miss it, and you'll owe £16,666.67 out of your own pocket if VAT wasn't charged on that deal.
A genuinely one-off spike above £90,000 — a single large project or a liquidation sale — can be handled with a VAT1 registration exception form, ideally submitted in advance since HMRC can reject late applications.
For B2B, VAT registration is largely a non-issue. For B2C, where the end customer can't reclaim VAT, the 20% price uplift needs more careful thought before registering voluntarily.
If your taxable turnover drops below £88,000, you can apply to deregister — though it's optional, not mandatory, and worth weighing against the B2B reclaim benefits above before doing so.
HMRC calculates VAT owed from the date you should have registered, plus interest. Penalties are behaviour-based rather than fixed bands, and can be significantly reduced with an unprompted disclosure — telling HMRC before they find the issue themselves almost always results in a lower penalty.
Four categories, dozens of exceptions, and a handful of genuinely bizarre classifications. Here's what actually matters regarding current UK VAT rates.
Here's how the same £100 net amount looks once VAT is added at each active UK rate — useful for spotting exactly how much difference the rate makes:
| VAT Rate | Net | VAT | Gross |
|---|---|---|---|
| Standard – 20% | £100.00 | £20.00 | £120.00 |
| Reduced – 5% | £100.00 | £5.00 | £105.00 |
| Zero – 0% | £100.00 | £0.00 | £100.00 |
This trips almost everyone up, and it has real financial consequences. Zero-rated means 0% VAT charged, but the supply stays inside the VAT system — so you can still reclaim VAT on related costs. Exempt supplies sit outside the system entirely, meaning input VAT on related costs generally can't be reclaimed at all.
Two businesses each spend £50,000 + VAT on costs (£10,000 in input VAT):
These edge cases have run through UK tax tribunals for decades. A Jaffa Cake is zero-rated because it's legally classed as a cake, while a chocolate-covered biscuit is standard-rated. VAT is due on a hot pasty but not a cold one — and the 'warm' middle ground has genuinely been argued in court.
If you make a mix of taxable and exempt supplies, you can only reclaim input VAT proportionally. There's a de minimis exception though: if your exempt input VAT is under £625/month on average, and under 50% of your total input VAT, you can reclaim all of it — worth checking with your accountant.
A quick reference for context — this calculator is built and optimised for UK VAT, so always confirm current rates with the relevant tax authority before relying on figures for another country.
| Country | Standard Rate | Registration Threshold |
|---|---|---|
| 🇬🇧 United Kingdom | 20% | £90,000 (~€105k) |
| 🇺🇸 United States | No VAT (sales tax 0–10.25%) | Varies by state |
| 🇩🇪 Germany | 19% | €22,000 |
| 🇫🇷 France | 20% | €37,500 / €85,000 |
| 🇮🇪 Republic of Ireland | 23% | €40,000 / €80,000 |
| 🇳🇱 Netherlands | 21% | €20,000 |
| 🇪🇸 Spain | 21% | None |
| 🇮🇹 Italy | 22% | €85,000 |
| 🇸🇪 Sweden | 25% | SEK 80,000 (~€7k) |
| 🇨🇭 Switzerland | 8.1% | CHF 100,000 (~€105k) |
| 🇦🇺 Australia (GST) | 10% | AUD 75,000 (~€39k) |
| 🇿🇦 South Africa | 15% | ZAR 1,000,000 (~€43k) |
The UK's £90,000 registration threshold is the joint-highest in the OECD alongside Switzerland — more than double the EU average of roughly €44,000 — which keeps millions of small UK businesses out of VAT entirely.
This calculator was built to give UK businesses, freelancers and individuals an instant, accurate way to add or remove VAT from any amount — alongside plain-English guidance on rates, registration, the Flat Rate Scheme, and the mistakes that cost businesses money.
It's a genuinely useful tool for calculating VAT in seconds, whether you're checking an invoice, quoting a client, or pricing goods and services.
To add VAT, multiply the net price (excluding VAT) by 1 + the VAT rate. At the standard 20% rate, that's multiplying by 1.20. For example, a net price of £500 × 1.20 = £600 gross price, with £100 being the VAT.
To remove VAT, divide the gross price (inclusive of VAT) by 1 + the VAT rate — £600 ÷ 1.20 = £500 net.
Common mistake: subtracting 20% instead of dividing. £600 minus 20% gives £480, which is wrong — VAT at 20% is one sixth of the gross amount, not one fifth.
Whether you're a freelancer checking an invoice, a contractor quoting a client, or a small business owner pricing goods and services, the calculator above handles the arithmetic instantly — just enter the amount, set the rate, and press Add VAT or Remove VAT.
VAT was first introduced in the UK in 1973, replacing the old Purchase Tax, as a condition of UK entry into the European Economic Community. It's charged on goods and services sold in the UK and the Isle of Man, and has grown into a major source of government revenue — generating over £170 billion in 2024–25 alone.
Since leaving the EU, the UK is no longer bound by Brussels' minimum VAT rate rules and could, in theory, set rates below 15%. In practice the rate has ranged from 15% to 20% in recent decades.
| Date | Change |
|---|---|
| 1 April 1973 | VAT introduced in the UK at 10% |
| 29 July 1974 | Reduced to 8%, alongside a new 25% fuel tax |
| 18 June 1979 | Increased to 15% |
| 1 April 1991 | Increased to 17.5% |
| 1 December 2008 | Temporarily reduced to 15% |
| 1 January 2010 | Restored to 17.5%; a 7% reduced rate briefly introduced |
| 4 January 2011 | Increased to the current 20% standard rate; reduced rate set at 5% |
Import VAT and customs duty are two different charges, and confusing them is one of the most common errors for businesses buying from outside the UK. Customs duty is based on the goods' value and commodity classification. Import VAT is then charged on top — on the goods value, plus duty, plus shipping and insurance, not on the goods value alone.
Postponed VAT Accounting (PVA): instead of paying import VAT at the border and waiting to reclaim it, PVA lets you account for and reclaim the VAT on the same return — zero net cash impact. It must be actively selected on your customs declaration.
CIS and the domestic reverse charge: under the Construction Industry Scheme, most B2B construction services fall under the VAT domestic reverse charge — the customer accounts for VAT directly to HMRC instead of paying it to the supplier. Many correctly issued CIS invoices show no VAT charged at all, with a reverse charge note instead.
A margin scheme lets certain businesses — commonly second-hand goods dealers, art and antiques sellers, and some travel businesses — pay VAT only on their profit margin, rather than on the full selling price.
Worked example: a second-hand car dealer buys a vehicle for £5,000 and sells it for £6,000. Under the margin scheme, VAT is due only on the £1,000 margin — at 20%, that's a VAT liability of roughly £166.67 (VAT-inclusive margin ÷ 6), rather than VAT on the full £6,000 sale price.
Records must clearly show the purchase price and sale price of each item to support the margin calculation — HMRC can disallow the scheme retrospectively if records aren't kept properly.
A VAT refund typically arises when your input VAT (on purchases) exceeds your output VAT (on sales) within a return period — common for businesses with large capital purchases, exporters, or zero-rated suppliers. HMRC usually pays refunds within 10 working days of processing an accurate return.
Building a simple VAT calculation into a spreadsheet takes one formula in each direction:
For a reusable template, set up three columns — Net, VAT, Gross — with the VAT and Gross columns driven by formulas referencing the Net column, so changing one net figure updates the whole row automatically.
Only if it's used 100% for business — typically taxi companies, driving instructors, company vans, and commercial vehicles. On a car lease, you can reclaim 50% of the VAT even with some private use.
Exports are generally zero-rated at 0%. For B2C digital services sold to the EU, VAT is charged at the customer's country rate using the OSS (One Stop Shop) scheme. Otherwise, most non-UK business falls outside the scope of UK VAT.
You stop charging VAT from the date deregistration is approved (not submitted), then file a final VAT return. If you hold stock or assets worth over £1,000 at deregistration, you may need to account for VAT on that stock — it's best to deregister holding as little stock as possible.
Yes — you generally have 4 years to correct or claim any missed VAT from the original return date.
If you're B2B, almost always yes — your clients can reclaim the VAT you charge, and you gain input VAT recovery on your own costs. If you're B2C, the 20% price uplift can hurt, so weigh it against how much input VAT you'd actually recover.
A valid VAT invoice includes the supplier's name, address, VAT number, invoice date, description of goods or services, net amount, VAT rate, and VAT amount. A standard receipt is only acceptable for purchases under £250.
Yes — on the business-use portion of electricity, heating, internet, phone, and even rent, provided VAT is charged on those costs.
Errors up to £10,000 (or 1% of turnover, capped at £50,000) can be adjusted on your next return. Larger errors must be notified to HMRC using form VAT652. Disclosing before HMRC finds the error themselves typically results in a much lower penalty.
Yes — you must account for VAT from your effective registration date shown on HMRC's confirmation letter, even if your VAT number itself takes a few weeks to arrive.
Most HMRC-recognised accounting packages support MTD, including Xero, QuickBooks, FreeAgent and Sage. Pricing typically ranges from £12–£40 per month, and many accountants provide access through their own reseller accounts.
To add VAT, multiply the net amount by 1 + the VAT rate — at 20%, multiply by 1.20. To remove VAT from a gross figure, divide by the same number instead. This calculator does both instantly.
A reverse VAT calculation extracts the net price and VAT amount from a gross (VAT-inclusive) figure — dividing the gross by 1.20 at the standard rate gives the net, and the difference is the VAT. Use ‘Remove VAT’ above to do this instantly.
Zero-rated supplies stay inside the VAT system — 0% is charged, but related input VAT can still be reclaimed. Exempt supplies sit entirely outside VAT, so input VAT on related costs generally can't be reclaimed at all.
A simplified scheme for businesses with taxable turnover of £150,000 or less, where you pay HMRC a fixed percentage of gross turnover instead of tracking VAT on every transaction — the percentage varies by industry sector.
Yes — on the fuel portion of business mileage, calculated using HMRC's Advisory Fuel Rates, provided you keep mileage logs and VAT receipts covering the claimed amount.
Yes — most B2B construction services under the Construction Industry Scheme fall under the VAT domestic reverse charge, meaning the customer accounts for VAT to HMRC directly. Many correctly issued invoices show no VAT charged, with a reverse charge note instead.
It lets certain businesses — commonly second-hand goods, art, antiques and some travel businesses — pay VAT only on their profit margin rather than the full selling price, provided accurate purchase and sale records are kept.
Add VAT with =A1*1.2 (at 20%), or remove VAT with =A1/1.2, replacing A1 with your net or gross cell reference.