Free car tax calculator

Instant road tax calculation

No sign-up needed

Real-time DVLA data

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Car tax calculator

What’s included in our car tax calculator?

Enter your reg and we'll pull your vehicle's tax status, renewal date and cost directly from the DVLA. You’ll see the actual figures for your specific car, not a rough estimate.
Our report includes important information on:

Current tax status

SORN registration status

Official DVLA tax band

Engine size

Car make and model

CO2 emissions rating

Tax expiry date

Annual VED cost

Best price given for your car in 30 seconds

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Pay or renew your car tax

  • If your tax has expired or is about to, you're legally required to renew before driving. There’s no grace period.
  • You can renew online at https://www.gov.uk/vehicle-tax, by phone on 0300 123 4321 or at any Post Office branch that handles road tax.
  • You'll need your V5C logbook, V5C/2 ‘new keeper’ slip or V11 reminder, a valid MOT and insurance cover. Without all three, DVLA won't let you tax the vehicle.
  • Tax renews monthly, every six months or annually, so you can pick whichever works for your budget (though monthly and every six months carry a 5% surcharge).

We can scrap your car and provide a quote in under 30 seconds

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UK legal driving requirements

Every car on UK roads has to meet four legal requirements: tax, MOT, insurance and emissions standards. Here's what each one actually means for you.
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Vehicle tax
All vehicles used on public roads must be taxed, regardless of road tax exemption.
Untaxed vehicles can be clamped, impounded and fined £80 immediately.
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MOT certificate
Cars over three years old need a valid MOT to drive and park on public roads.
Driving without one invalidates your insurance and risks up to £1,000 in fines.
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CO2 emissions
Your car's CO2 output directly determines your first-year VED rate.
Lower emissions mean lower tax, but zero-emission cars still pay £200 now.
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Car insurance
Minimum third-party insurance is legally required to drive any vehicle.
Uninsured driving carries a fixed £300 fine and six penalty points.

Frequently asked questions about car tax

What is car tax (Vehicle Excise Duty or VED)?
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Car tax, officially called Vehicle Excise Duty, is an annual tax charged by the government on most vehicles used on UK public roads. The amount you pay is based on your car's age, fuel type and CO2 emissions. It doesn't fund roads specifically (that's a common misconception), it just goes into general government revenue like most other taxes.

What do I need to calculate my car tax?
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To calculate your car tax, you only need your vehicle’s registration number. Our calculator pulls everything else automatically from the DVLA, including its make, model, fuel type, CO2 emissions, tax amount and current tax status.

Is my car tax still free if my car is electric?
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Your car tax is no longer free if you drive an electric car. Since 1st April 2025, electric vehicles paid £10 their first year and the standard £195 annual rate (which increases to £200 as of 1st April 2026.

EVs were exempt for years to incentivise drivers to choose them, but the government ended that as electric cars became common enough that the tax revenue gap was too large to ignore.

Can I calculate the tax for a car I’m thinking of buying?
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Yes, just enter the registration number of the vehicle you're considering and we'll pull the full tax details from the DVLA. It's genuinely useful before buying because it shows you the current tax status, renewal date and what you'll be paying annually.

This info is useful for budgeting, and it also flags if the car is currently untaxed, which is worth knowing because it could mean the car has been off the road, uninsured or poorly maintained.

How often should I calculate my car tax?
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You don't need to check constantly, but it's worth looking up around a month before your renewal date so you're not caught off guard by the cost, especially if rates have changed since you last paid. If you’re thinking of buying a used car, check immediately. And if you're ever unsure whether a vehicle is taxed, just run the reg because it takes about five seconds.

How do I check if my vehicle has an additional tax rate?
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To check if you have to pay the UK Expensive Car Supplement for your vehicle, enter your reg and check the results against two things: whether your car was originally listed at over £40,000 and when it was first registered.

If it was registered after April 2017 and had a list price over £40k, you'll pay the £425 annual surcharge on top of the standard rate for the first five years. Our calculator will flag this if it applies to your vehicle.

Also worth mentioning: from 1st April 2026, all new EVs priced over £50,000 will also owe this tax.

How accurate is the car tax information on Car.co.uk Car Tax Calculator?
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The car tax information through our car tax calculator is 100% accurate because we pull data directly from the DVLA's real-time database. That means what you see reflects your vehicle's actual current tax status and renewal date. It’s not a cached or estimated figure.

Why do car tax amounts vary by vehicle?
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Car tax amounts vary by vehicle because VED is calculated based on CO2 emissions, fuel type, registration date and purchase price. A high-emission car registered in 2019 will pay a very different rate compared to a small petrol car from 2010. The system is designed to penalise heavier polluters, at least in the first year.

What happens if my car tax has expired?
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If your car tax expires, you're breaking the law the moment you drive it on a public road. ANPR cameras are all over UK roads and flag untaxed plates to police and DVLA in real time, so getting caught isn't really a matter of ‘if’.

The fixed penalty is £80, reduced to £40 if you pay within 28 days. If it goes further, you're looking at court prosecution and fines up to £1,000. Your car can also be clamped or impounded on the spot, and you'll pay release fees on top of everything else.

Does the tax calculation tool work for vans, motorhomes and company cars?
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Yes, any vehicle registered in the UK with a valid number plate will work. That includes vans, motorhomes, company cars, classic cars, electric vehicles, and more. If it's on the DVLA database, our algorithm can pull the details.

Different vehicle types do have different VED rates and structures (vans are taxed differently to passenger cars, for example) but the calculator handles all of that automatically.

Why does the tax cost for my vehicle show as “not available”?
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If the tax cost of your vehicle shows up as “not available”, most likely your vehicle is exempt from paying VED, so there’s no cost to display. Common reasons for this include being a historic vehicle first registered 40+ years ago, a disabled tax class vehicle, certain agricultural machines or vehicles owned by disabled people through the Motability scheme.

How much will car tax cost in 2026?
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From April 2026, the standard rate for most cars, including EVs, increases from £195 a year to £200. First year rates for new cars still vary by CO2 emissions and can range from £10 for EVs up to £5,490 for the most polluting vehicles. If your car had a list price over £40,000 (£50,000 for EVs), add £425 on top of whatever your standard rate is.