The Donation Deduction Calculator estimates an income, tax or statutory-cost estimate for the figures entered from the income, employment or business status, relevant period, allowances and current thresholds shown on the page. Replace the example values with your own donation deduction figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.
Calculate the deduction from donations. Both deductions are 2 times (education) and 1 times (general charity).
Fill in information
Total actual donations
-
Calculated deductions
-
10% ceiling of income
-
Really usable discounts
-
Educational donation × 2
Charity donation × 1
Reduce before ceiling
[Advertising — AdSense]
Reduce donations in Thailand
The Revenue Department allows donations to be tax deductible, divided into 2 main categories:
Donate for education: Can be deducted 2 equal to the actual donation (e. g. donate 10,000 baht, can be deducted 20,000 baht)
General charitable donations: Deductible 1 equal to the actual donation.
Total limit for all types of donations: must not exceed 10% of income after expenses and other deductions. (before deducting donations)
Frequently asked questions
How much is the deduction for donating for education?
Donations to educational institutions and projects specified by the Revenue Department are deductible 2 equal to the actual donation. But combined with other donations must not exceed 10% of income after deducting expenses and other deductions.
How much is the deductible when donating to a charity?
Donations to foundations, associations, or charitable agencies certified by the Revenue Department can be deducted 1 equal to the actual donation. Maximum not exceeding 10% of income after deducting expenses and other deductions.
Can political party donations be deducted?
Donations to political parties are deductible up to 10,000 baht per year (different from charity donations) provided they are a party that is legally registered.
What evidence is required for a donation deduction?
Must have a receipt or donation certificate from an accredited organization. Specify the donor's first and last name, amount, and purpose of donation. Keep it for at least 5 years.
Check before using results
Summary before using this number
The calculated results are estimates for tax or expense planning. Before actually submitting, you should check the latest rates and conditions from the official agency.
Calculated based on the information you enter and the rate specified on the tool page.
Special cases may require additional evidence or conditions.
The final numbers may change according to actual documents and government agency announcements.
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 Donation Deduction Calculator
Use this page to test a specific donation deduction 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 donation deduction estimate instead of relying on a generic example.
Build a baseline donation deduction case with figures that match your situation.
Run a second donation deduction case after changing the rate, period, quantity or other key assumption.
Record the difference between the two donation deduction results and the input responsible for it.
Inputs for the donation deduction estimate
For this donation deduction calculation, check the income, employment or business status, relevant period, allowances and current thresholds shown on the page. The result is designed to show an income, tax or statutory-cost estimate for the figures entered, not a guaranteed provider price or official decision.
How the donation deduction result is calculated
The calculator applies the displayed inputs to the stated arithmetic relationship. Reusing the same donation deduction inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a donation deduction decision
Check the effective date and confirm current rules with the relevant Thai authority or a qualified adviser. For donation deduction, 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. Recheck the entered values and units if the result looks unexpected.
Language QA
Terminology, numeric values and calculator controls checked
Review formula structure, test cases, data sources, effective dates, and risk language accordingly.How to check our · There is no claim that an outside professional reviewed it. Unless the page directly states the name and qualifications. This content is therefore not individual advice.
This history and results reside only in this device's browser. Press clear to delete immediately.
💾 Saved calculations
Save numbers only in this device's browser. It could be health or financial information. Therefore, the entered values or results are not sent to the server. You can delete them all from the button above. And data should be cleared when sharing the device with others.
Select 2–5. Items to compare
📊
There are no saved calculations yet.
Press the "Save" button after calculation to store the results.
