Thailand Tax Calculator (2026)
Income tax rates and take-home pay for Thailand
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Thailand Income Tax Brackets (2025)
| Bracket | Income Range | Rate |
|---|---|---|
| Exempt | THB 0 - THB 150,000 | 0.0% |
| 5% bracket | THB 150,000 - THB 300,000 | 5.0% |
| 10% bracket | THB 300,000 - THB 500,000 | 10.0% |
| 15% bracket | THB 500,000 - THB 750,000 | 15.0% |
| 20% bracket | THB 750,000 - THB 1,000,000 | 20.0% |
| 25% bracket | THB 1,000,000 - THB 2,000,000 | 25.0% |
| 30% bracket | THB 2,000,000 - THB 5,000,000 | 30.0% |
| 35% bracket | THB 5,000,000+ | 35.0% |
Personal allowance: THB 60,000
Social Security Fund contribution
| Bracket | Income Range | Rate |
|---|---|---|
| 5% contribution | THB 0+ | 5.0% |
Capped at THB 9,000 per year
Key Facts
Tax Year
2025
Currency
THB
Top Rate
35.0%
Brackets
8 brackets
Allowance
THB 60,000
Social Contributions
1 item
Assumptions
- · Model assumes resident employee with employment income only.
- · Standard employment deduction of 50% (capped at THB 100,000) is applied to reduce taxable income.
- · Personal allowance of THB 60,000 for single taxpayer is deducted before computing PIT.
- · Social security contribution of 5% (capped at THB 750/month = THB 9,000/year) is mandatory employee deduction and reduces taxable income.
- · Charitable donations, life insurance, health insurance, mortgage interest, and retirement fund contributions are discretionary personal deductions not included in this baseline model.
- · Tax credits for withholding at source are not modeled as they depend on actual withholding and are settled at filing.
- · Inheritance tax, VAT, and other indirect taxes are excluded as they do not apply to employment income.
- · Non-resident taxation and foreign income remittance rules are not modeled; model assumes resident employee.
Frequently asked questions
What is the top income tax rate in Thailand?
The highest marginal income tax rate in Thailand is 0.3%. Your effective tax rate will be lower depending on your income level.
How many tax brackets does Thailand have?
Thailand has 8 income tax brackets. Income is taxed in brackets - you only pay the higher rate on income above each threshold, not on your entire income.
How is take-home pay calculated in Thailand?
Take-home pay in Thailand is your gross salary minus income tax, social contributions, and any applicable surcharges. Use the calculator above to see an exact breakdown for your salary.
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