Know the results in less than 30 seconds.
Data is not saved. and is used for calculation only.
Update Department of Land Transport rates for the year 2026
Car Tax Calculator
The Car Tax Calculator estimates a vehicle-cost estimate for the scenario you entered from the vehicle price or cost, payment period, applicable rate, usage and provider charges shown on the page. Replace the example values with your own car tax figures and recalculate after changing an assumption. Treat it as a planning estimate and independently verify the current rule or provider terms.
Calculate annual car tax for sedans, pickup trucks, and motorcycles, along with insurance rates, car age discounts, and inspection fees. Immediate results. Free to use.
Fill in car information
Calculation results
| Car type | - |
| engine size | - |
| Vehicle weight | - |
| Car age | - |
| Base tax | - |
| Discount on car age | - |
| Net car tax | - |
| Act (Compulsory Insurance) | - |
| Vehicle inspection fee | - |
| Total expenses | - |
What is the annual car tax?
Annual car tax It is a tax that every car owner must pay to the Department of Land Transport (Department of Transport) every year in order to renew their vehicle registration. The tax rate will vary according to the type of vehicle. engine size or vehicle weight
Sedan tax rate (not more than 7 seats)
Calculated from engine size (CC):
| engine size | Tax rate | example |
|---|---|---|
| 1 – 600 CC | 0.50 baht/CC | 600 CC = 300 baht |
| 601 – 1,800 CC | 1.50 baht/CC | 1,500 CC = 2,250 baht |
| 1,801 CC and above | 4.00 baht/CC | 2,000 CC = 8,000 baht |
Tax discount based on the age of the vehicle (sedan)
Sedans that are over 6 or older will receive a tax discount:
| Car age | discount |
|---|---|
| Year 1-5 | No discount |
| Year 6 | Decrease 10% |
| Year 7 | Decrease 20% |
| Year 8 | Decrease 30% |
| Year 9 | Decrease 40% |
| Year 10 and above | Decrease 50% |
Pickup truck tax rate (based on weight)
| Vehicle weight | Tax/year |
|---|---|
| 0 – 500 kg. | 300 baht |
| 501 – 750 kg. | 450 baht |
| 751 – 1,000 kg. | 600 baht |
| 1,001 – 1,250 kg. | 750 baht |
| 1,251 – 1,500 kg. | 900 baht |
| 1,501 – 1,750 kg. | 1,050 baht |
| 1,751 – 2,000 kg. | 1,350 baht |
| 2,001 – 2,500 kg. | 1,650 baht |
| 2,501 – 3,000 kg. | 1,950 baht |
Motorcycle tax
Personal motorcycles are taxed at a fixed annual rate. 100 baht/yearDoes not depend on engine size And there is no discount based on the age of the car.
Act (Compulsory Insurance)
Every car must comply with the Act (Car Accident Victims Protection Act 1992) every year. Insurance premium includes stamp duty and VAT:
- Sedan (not more than 7 seats): 645.21 baht
- Pickup truck (not more than 3 tons): 967.28 baht
- motorcycle (75-125 CC): 323.14 baht
This calculator includes vehicle tax, road tax and vehicle inspection costs. Helps you accurately prepare annual vehicle registration expenses.
Frequently asked questions
How is the annual car tax calculated?
Do old cars get a tax break?
What is the Motor Vehicle Act? How much do I have to pay?
How much does a car inspection cost?
How are pickup trucks taxed?
Official reference source
- Revenue Department (rd. go. th) — Personal and corporate income tax rates
- Personal income tax table — Revenue Department 2024/2025
Interesting car tools
- Calculate car insurance premiums — Pay taxes and renew car insurance.
- Calculate vehicle registration fee — All types of registration fees
Learn more from our article.
English calculator guide
How to use the Car Tax Calculator
Use this page to test a specific car tax scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the car tax estimate instead of relying on a generic example.
- Build a baseline car tax case with figures that match your situation.
- Run a second car tax case after changing the rate, period, quantity or other key assumption.
- Record the difference between the two car tax results and the input responsible for it.
Inputs for the car tax estimate
For this car tax calculation, check the vehicle price or cost, payment period, applicable rate, usage and provider charges shown on the page. The result is designed to show a vehicle-cost estimate for the scenario you entered, not a guaranteed provider price or official decision.
How the car tax result is calculated
The calculator applies the displayed statutory rates, thresholds and allowances to the figures you enter. Reusing the same car tax inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a car tax decision
Compare the estimate with a current written quote and include insurance, registration and other ownership costs. For car tax, Treat the result as an estimate for planning. Tax rules, eligibility and deduction limits can depend on the tax year and your evidence, so compare the result with current Revenue Department guidance or a qualified adviser. Because this calculation can affect an important financial, legal or health decision, independently verify the inputs and current rules before relying on the result.
- Language QA
- Terminology, numeric values and calculator controls checked
- Calculator scope
- Tax and statutory rate
- Last English review
- 26 July 2026