VRT & NOx Calculator
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How It Works?
A simple 3-step process to get your certificate.
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Enter the registration number or vehicle model.
Instant Analysis
Our system estimates the OMSP value and associated emissions.
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View the exact amount of VRT and NOx.
Frequently Asked Questions
What is VRT (Vehicle Registration Tax)?
Vehicle Registration Tax (VRT) is a tax levied by the Irish tax administration when you register a vehicle in Ireland for the first time. The amount is based on the market value of the vehicle (OMSP) and its CO₂ emissions.
How is NOx tax calculated?
NOx tax is calculated based on the vehicle's nitrogen oxide emissions (mg/km). The rate increases with emissions. Older diesel vehicles are often more heavily taxed.
Is this calculator accurate?
Our calculator provides an estimate based on the latest official rates. However, the final amount is determined by NCTS during the physical inspection of the vehicle.