Car VRT Calculator is free web tool which is made for Ireland and United Kingdom (UK) people for Estimations their Car Registration Tax. It is a user friendly, easy to use Web based Calculator with mobile friendly interface.
You can easily use this Digital tool every time and every where by just entering some related information about your Motor Vehicle, and click a single button to see your calculations. Before depending on our results make sure to know the latest VRT Rates for 2025.
What is VRT?
VRT known as Vehicle Registration Tax, is a levy which you need to pay when you are importing a vehicle from abroad or buying a new one. This duty is collected by the Government for the public services. Finding VRT is critical you need to a Car Tax Calculator for it.
The results are based on Car price, CO2 Emission and Fuel Type which is used by your car. The ROS calculator is best tool in 2022 but it is not working because they did not update there website yet.
How to use Car VRT Calculator?
To use this car Tax calculator you just simple enter a few details of your motor and simply click on calculate button, here below I will mentions some easy bullet points to use this calculator.
- Select the Country, our tool works for both United Kingdom (UK) and Ireland.
- Enter your car initial price.
- Put the CO2 Emission in g/km which is you check in vehicles documents.
- Select the Fuel Type, either your motor is using Petrol, Diesel or it is electric or hybrid.
- Click on Calculate VRT button.
This tool finds the CO2 Based Car Tax emissions, Fuel Adjustment, Total VRT Rate Applied in percentage along with the Total VRT amount.
How to Calculate VRT on a Car?
Car Tax calculation is different for both UK and Ireland. In this particular post I will guide you for both Vehicle Excise Duty (VED) or road tax calculation which is for United Kingdom (UK) and VRT for Ireland.
1. Vehicle Excise Duty (VED) for UK:
In the UK, VRT is known as Vehicle Excise Duty (VED) or road tax, and it’s based on CO₂ emissions.
Calculation Formula:
For first year of new car rate is based on CO₂ emissions (g/km):
VED = Base Rate + CO₂ Emission Charge
- Base Rate depends on fuel type.
- CO₂ Emission Charge varies by emission level.
UK VED Rates for New Cars in 2025:
2. Vehicle Registration Tax (VRT) for Ireland:
In Ireland, VRT is depend on the Open Market Selling Price (OMSP) and CO₂ emissions.
Calculation Formula:
VRT = OMSP × VRT Rate (based on CO₂ emissions)
- OMSP = Market price of the car in Ireland.
- VRT Rate depends on CO₂ emissions.
Ireland VRT Rates for New Cars in 2025:
VRT Key Differences between UK VS. Ireland
| Feature | UK (VED) | Ireland (VRT) |
|---|---|---|
| Based On | CO₂ emissions | CO₂ emissions & car value |
| First-Year Tax | One-time payment | One-time payment |
| Annual Tax | Yes (£180 flat for most cars) | No (VRT is one-time) |
| Calculation | Fixed fee | Percentage of market value |