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Calculate late vehicle registration fines

Calculate late vehicle registration fines 1%/month of annual vehicle tax According to the Department of Land Transport rates

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Rates according to the Department of Land Transport 2026

Late Vehicle Registration Fines Calculator

The Late Vehicle Registration Fines 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 late vehicle registration fines figures and recalculate after changing an assumption. Treat it as a planning estimate and independently verify the current rule or provider terms.

Calculate the fine you have to pay when renewing your vehicle registration later than the scheduled time. According to the Department of Land Transport rate 1% per month of annual vehicle tax. (Fraction of a month is counted as 1 month)

Fill in the vehicle information and the due date.

Look at the license plate or registration notification letter.

From the payment due date (after 30 days from the registration expires)

How do you calculate the fine for late vehicle registration?

According to the Motor Vehicle Act If registration is delayed The Department of Land Transport will collect a fine at the rate1% per month of annual car tax where a fraction of a month is counted as 1 a full month

Calculation example

Car tax/yearoverduefine
1,000 baht1 month10 baht
1,000 baht3 month30 baht
2,500 baht6 month150 baht
5,000 baht12 month600 baht

Frequently asked questions

What is the fine for late vehicle registration?
The fine is 1% per month of the annual vehicle tax payable. Starting from the payment due date (30, the day after the registration expires) until the date the vehicle is brought in to renew the registration.
Is there a minimum fine?
There is no minimum monthly fee. But if the fine is less than 1 baht, it will be rounded to 1 baht and the maximum fine is not limited. The more you delay, the more you lose.
How long does the vehicle registration expire before the vehicle must be inspected?
Cars older than 7 years (from the year of first registration) must have their condition inspected at the Police Station. Before renewing registration Motorcycles older than 5 years must be inspected.
If you don't renew your registration at all, what happens?
In addition to the fine for late registration If you are caught by the police driving a vehicle that has lost its registration. The maximum fine is 2,000 baht and if you fail to renew the Act, you may also violate other laws.
What is the difference between fines and legal fees?
The fine for late registration is a fine from the Department of Transport. The Act (Compulsory Insurance) is a separate one. Both must be paid in order to renew the registration.
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Bank of ThailandCalculation method and references
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Disclaimer: The calculation results are only an estimate based on the specified rates. Actual fees may vary depending on vehicle type and specific conditions. Please check with your local transportation office.

English calculator guide

How to use the Late Vehicle Registration Fines Calculator

Use this page to test a specific late vehicle registration fines 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 late vehicle registration fines estimate instead of relying on a generic example.

  1. Build a baseline late vehicle registration fines case with figures that match your situation.
  2. Run a second late vehicle registration fines case after changing the rate, period, quantity or other key assumption.
  3. Record the difference between the two late vehicle registration fines results and the input responsible for it.

Inputs for the late vehicle registration fines estimate

For this late vehicle registration fines 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 late vehicle registration fines result is calculated

The calculator applies the displayed statutory rates, thresholds and allowances to the figures you enter. Reusing the same late vehicle registration fines inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.

Checks for a late vehicle registration fines decision

Compare the estimate with a current written quote and include insurance, registration and other ownership costs. For late vehicle registration fines, 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

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