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Rough first-year and standard rates from CO₂ (g/km) for post-2017 cars and a flat band for older placeholders. Not DVLA official output.
Quick answer: Road Tax Calculator (UK)
Simplified DVLA-style year-one and standard rates from fuel, CO₂ band, or legacy engine cc rules.
Example: Petrol 2019 car at 130 g/km might sit in a mid band with six-month option math shown.
Calculations follow the documented formula on this page; rounding and input units can change the last digit-treat outputs as educational estimates unless you reconcile with source systems.
* This is an estimate. Actual amounts may vary slightly based on input assumptions.
Post-2017 CO₂ tables are approximated; luxury supplement years and exact g/km breakpoints need gov.uk confirmation.
Rough first-year and standard rates from CO₂ (g/km) for post-2017 cars and a flat band for older placeholders. Not DVLA official output.
Inputs on this page: First registration year, Fuel type, CO₂ emissions (g/km), 0 if unknown, Engine size (cc) pre-2001 only, else 0. Assumptions stay visible so you can reproduce the figure elsewhere.
Long-form walkthroughs that pair well with this calculator. When you need narrative context beyond the live fields, start here and return to the tool to plug in your own numbers.
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Read guide →People who care about UK road tax calculator use Road Tax Calculator (UK) as a planning sandbox: EVs still have annual VED after year one in many cases - check current law.
Continue in the Calculators category hub, the Utility tools collection, or the glossary. Related calculators in this session: Loan Calculator, EV vs Petrol Cost Calculator, Car Running Cost Calculator, MPG to L/100km Converter, Percentage Calculator, BMI Calculator.
The Formula
Band lookup from registration era, fuel, CO₂ or engine cc per simplified DVLA-style tables| This tool | Band lookup from registration era, fuel, CO₂ or engine cc per simplified DVLA-style tables |
|---|---|
| Related intent: UK road tax calculator | See paired tools for UK road tax calculator-each page documents its own core relationship next to the live form. |
| Related intent: VED estimate | See paired tools for VED estimate-each page documents its own core relationship next to the live form. |
Core relationship for Road Tax Calculator (UK):
Band lookup from registration era, fuel, CO₂ or engine cc per simplified DVLA-style tables
Worked check: Petrol 2019 car at 130 g/km might sit in a mid band with six-month option math shown.
Keep the same assumptions and open a neighbor calculator when your question branches: Loan Calculator, EV vs Petrol Cost Calculator, Car Running Cost Calculator, MPG to L/100km Converter. Each page documents its own formula beside the fields.
Learning links: Methodology · Editorial policy · Glossary
Petrol 2019 car at 130 g/km might sit in a mid band with six-month option math shown.
Re-enter the same numbers in the calculator above to confirm the page math matches the interactive result.
People who care about UK road tax calculator use Road Tax Calculator (UK) as a planning sandbox: EVs still have annual VED after year one in many cases - check current law.
Instant response
Run Road Tax Calculator (UK) in the browser and read the breakdown beside the form.
Transparent formula
The formula and worked example on this page match what the calculator uses.
Privacy friendly
No account required; inputs stay in your session unless you choose to share them.
Cross-device ready
Layout works on mobile, tablet, and desktop for the same field labels.
Official references for context. Calculator outputs are planning estimates—confirm material decisions with the primary authority or a qualified professional. See our methodology and editorial policy.
Reviewed July 18, 2026 · Content stamp 2026-07-18
Click a question to expand the answer.
Yes, the Road Tax Calculator (UK) is completely free with no hidden limits.
Yes. All tools are optimized for desktop, tablet, and mobile devices.
No - rates and bands change; this is a planning simplification.
Simplified DVLA-style year-one and standard rates from fuel, CO₂ band, or legacy engine cc rules.
Petrol 2019 car at 130 g/km might sit in a mid band with six-month option math shown.
EVs still have annual VED after year one in many cases - check current law. Classic/historic vehicle rules differ - this tool targets mass-market cars. SORN saves tax but not insurance obligations.
No. Use it as a transparent planning check, then verify critical outcomes in your own systems or with a qualified professional when stakes are high.
Compare units, rounding, compounding, and tax basis side by side. This page documents: Band lookup from registration era, fuel, CO₂ or engine cc per simplified DVLA-style tables
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Reviewed by Toollabz Editorial
Product editor | Last reviewed July 18, 2026
See methodology and editorial policy.