🇹🇭 Thailand Tax Calculator 2026
Estimate progressive tax on income you have already determined is assessable in Thailand. This simplified calculator does not determine whether a particular payment is taxable.
Blank uses an illustrative employment-income assumption: 50% expense (capped at 100,000 THB) plus a 60,000 THB personal allowance. A number replaces that entire total; enter 0 for no deductions. Other income categories and personal circumstances may require different amounts.
Progressive brackets used in this estimate
| Net income (THB) | Tax rate |
|---|---|
| 0 – 150,000 | Exempt |
| 150,001 – 300,000 | 5% |
| 300,001 – 500,000 | 10% |
| 500,001 – 750,000 | 15% |
| 750,001 – 1,000,000 | 20% |
| 1,000,001 – 2,000,000 | 25% |
| 2,000,001 – 5,000,000 | 30% |
| 5,000,001+ | 35% |
Who should use this calculator?
- Employees exploring an illustrative annual progressive-tax calculation, before withholding credits.
- People with other income who have first established the assessable amount and the expenses and allowances actually applicable to them.
- For foreign remittances, first review the questions in our tax law explainer and remittance review checklist. Do not enter every transfer as taxable income by default.
Assumptions & limits
The bracket table and employment-income example are based on the Revenue Department's published calculation guidance (page updated January 2021; reviewed October 17, 2026). This is not a certification of all current tax rules. This model does not determine residency, remittance assessability, treaty relief, filing obligations, withholding credits or the alternative gross-income calculation. It does not automatically include social security, child, parent, insurance or investment allowances. Use applicable amounts confirmed for your circumstances and tax year. This is an educational estimate, not tax advice; confirm with a qualified Thai tax adviser before filing.