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Calculate capital profit

Estimate profits and tax liabilities from selling stocks or real estate. According to Thai tax law

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Preliminary tax burden estimate

Data is not saved. Updated year criteria 2026

Capital Profit Calculator

The Capital Profit Calculator estimates a tax and statutory rate estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own capital profit figures and recalculate after changing an assumption. Treat it as a planning estimate and independently verify the current rule or provider terms.

Estimate profits and tax liabilities from selling stocks or real estate. According to Thai tax law, year 2026

Stocks in the SET/mai market: Profits from selling shares on the Thai Stock Exchange for individualsExempted from personal income tax According to Royal Decree No. 263
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Capital Gains in Thailand

Capital gain is the profit that results from selling an asset for a price higher than the purchase price. for Thailand Capital gains taxation depends on the type of asset.

Stocks on the stock exchange

Gains from the sale of stocks listed on the Stock Exchange of Thailand (SET and mai) for individuals are exempt from personal income tax. According to Royal Decree No. 263, however, for unlisted shares, profits must be included in the calculation of personal income tax as usual.

real estate

  • Specific business taxes: 3.3% of the selling price or appraised price (whichever is higher) if held less than 5 years
  • revenue stamp: 0.5% instead of specific business tax if holding 5 or more or is the main residence
  • income tax: Profit combined with other income in that year Calculated according to progressive rate 0–35%

Formula used for calculation

Capital profit = Selling price − Purchase price − Selling expenses

Capital gains tax = Capital gains × 10% (Fixed rate 10% if normally there are no exceptions)

Calculation example

Example at 1: Buy land 2,000,000 baht, sell it 2,500,000 baht.

  • Purchase price = 2,000,000 baht
  • Selling price = 2,500,000 baht
  • Capital profit = 2,500,000 − 2,000,000 = 500,000 baht
  • Capital gains tax = 500,000 × 10% = 50,000 baht

Example at 2: Buy shares 100,000 baht, sell 130,000 baht, fee 1,000 baht

  • Purchase price = 100,000 baht
  • Selling price = 130,000 baht
  • expenses = 1,000 baht
  • Capital profit = 130,000 − 100,000 − 1,000 = 29,000 baht
  • Capital gains tax = 29,000 × 10% = 2,900 baht

summarize

Sales of land or assets that result in a profit are legally subject to capital gains tax 10% if sold at a loss. will not have to pay taxes

refer: Revenue Department: Capital Gains Tax [Update 2026]

Frequently asked questions

Are profits from selling shares on the stock exchange taxable?
Profits from selling stocks on the Stock Exchange of Thailand (SET/mai) for individuals are exempt from personal income tax according to Royal Decree No. 263, but if they are off-market stocks or warrants, the profits must be included in the calculation of income tax.
How is profit from the sale of land or house tax calculated?
Profit from the sale of real estate is calculated from the selling price, deducted by the cost (purchase price + related expenses), and then the profits are included as assessable income. Calculate taxes based on progressive rates 0-35% There is also a specific business tax 3.3% or stamp duty 0.5% depending on the holding period.
Holding real estate How many years will it take to be exempt from specific business taxes?
If you own real estate from 5 or more, you will be exempt from 3.3% specific business tax and use 0.5% stamp duty instead. Additionally, if it has been your main house of residence for at least 1 years, you will also be exempt from specific business tax.
What expenses are deductible when calculating capital gains?
Expenses that can be deducted include the original purchase price and construction or renovation costs. Trading fees Stamp duty or specific business tax paid at the time of purchase and commission There must be evidence of supporting documents.
Disclaimer: Calculation results are only estimates. It does not constitute tax or legal advice. Please consult a tax professional for your specific circumstances.

English calculator guide

How to use the Capital Profit Calculator

Use this page to test a specific capital profit 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 capital profit estimate instead of relying on a generic example.

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

Inputs for the capital profit estimate

For this capital profit calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a tax and statutory rate estimate for your scenario, not a guaranteed provider price or official decision.

How the capital profit result is calculated

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

Checks for a capital profit decision

Confirm any current rate, threshold or provider rule that could change the final amount. For capital profit, 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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