Thailand Income Tax Calculator 2026
Calculate your exact net salary in Thailand after Personal Income Tax and social security. All 8 tax brackets. Updated Q1 2026.
Your employer pays an additional ฿2,500 (5.0% of gross). Total employment cost = ฿52,500.
How income tax works in Thailand
Income tax in Thailand is administered by the Revenue Department (กรมสรรพากร) under Personal Income Tax. Social Security: employee 5% (capped THB 750/month), employer 5%. Remittance rule changed 2024 — foreign income remitted same year now taxable. Brackets in THB.
Thailand uses a progressive schedule of 8 brackets: each slice of income is taxed at the rate of the band it falls in — not your highest rate applied to the whole salary. Social security (5.0% of gross) is deducted first; income tax is then applied to the remainder band-by-band.
Thailand pays salaries across 12 monthly instalments.
Key tax dates in Thailand
| Event | Date / Note |
|---|---|
| Tax year start | 1 January |
| Tax year end | 31 December |
| Filing deadline | 31 March (prior year) |
| Withholding regime | Personal Income Tax |
Deductions and allowances
- ·Employment income deduction 50% (max THB 100,000)
- ·Personal allowance THB 60,000
- ·Spouse THB 60,000
- ·Child THB 30,000 each
- ·SSF/RMF investments
- ·Life insurance (cap THB 100,000)
Social Security: employee 5% (capped THB 750/month), employer 5%. Remittance rule changed 2024 — foreign income remitted same year now taxable. Brackets in THB.
Special tax regimes
Long-Term Resident (LTR) visa with income ≥ USD 80,000/year: flat 17% on Thai-source income.
Read full guide →All 8 brackets for 2026
| # | Income Range (฿) | Marginal | Effective at Top |
|---|---|---|---|
| 01 | ฿0 — ฿150,000 | 0% | 5.0% |
| 02 | ฿150,000 — ฿300,000 | 5% | 7.2% |
| 03 | ฿300,000 — ฿500,000 | 10% | 10.0% |
| 04 | ฿500,000 — ฿750,000 | 15% | 12.9% |
| 05 | ฿750,000 — ฿1,000,000 | 20% | 15.5% |
| 06 | ฿1,000,000 — ฿2,000,000 | 25% | 22.0% |
| 07 | ฿2,000,000 — ฿5,000,000 | 30% | 28.8% |
| 08 | ฿5,000,000 — ∞ | 35% | — |
Source · Revenue Department (กรมสรรพากร) · Data updated Q1 2026
Frequently asked
What is the income tax rate in Thailand?+
Thailand applies progressive Personal Income Tax rates from 0.0% on the lowest band up to 35.0% on the highest, across 8 brackets in 2026.
How much social security do you pay in Thailand?+
Employees pay 5.0% of gross salary as social security. Social Security: employee 5% (capped THB 750/month), employer 5%. Remittance rule changed 2024 — foreign income remitted same year now taxable. Brackets in THB.
What is the Personal Income Tax personal allowance in Thailand?+
The main allowances are: Employment income deduction 50% (max THB 100,000); Personal allowance THB 60,000. See §03 for the full list.
When do you file taxes in Thailand?+
The filing deadline in Thailand is 31 March (prior year). Tax year runs 1 January to 31 December.
How much take-home pay on ฿180,000 gross in Thailand?+
On a ฿180,000 gross salary the effective rate is 5.6%, leaving approximately ฿169,950 net per year — about ฿14,163 per month across 12 payments. (For reference: ฿50,000 gross nets ฿47,500.)
Does Thailand have any special tax regimes for expats?+
Long-Term Resident (LTR) visa with income ≥ USD 80,000/year: flat 17% on Thai-source income.
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