Thailand 2024.For informational purposes only. Thai tax legislation is evolving - verify with a registered Thai tax adviser. Order No. Por 161/2566 applies from 1 January 2024.
Thai PIT Remittance Calculator
Foreign Income Remittance Tax
Calculate your Thai personal income tax on remitted foreign earnings. Applies if you spend 180+ days in Thailand in a calendar year (tax residency trigger).
Approx: 1 AED ~ 9.7 THB | $1 USD ~ 36 THB
Enter remittance amount above
Thai PIT Liability
-
THB
Effective Rate
-
on total remittance
Taxable Income (after deductions)
-
THB
| Annual Taxable Income (THB) | Rate |
|---|---|
| 0 - 150,000 | 0% |
| 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% |
Thailand Strategy
Key Rules & Planning Strategies
Thai personal income tax residency is triggered automatically once you spend 180 days or more in Thailand within a single calendar year. Days are counted cumulatively - not necessarily consecutively. If you plan to return mid-year, track your Thai days carefully. Spending 179 days keeps you non-resident for that year and exempts all foreign income. This is particularly relevant in your transition year from Dubai.
Foreign income earned before 1 January 2024 remains subject to the old rules - it is not taxable regardless of when it is remitted. This includes IBKR portfolio gains accumulated during your Dubai years up to 31 December 2023. Document the value of your portfolio on 31 December 2023 carefully; this becomes the dividing line between grandfathered and taxable gains. Income earned 2024 onward is subject to the new regime.
Thailand has DTAs with over 60 countries including the UK, India, Germany, France, Japan, and Singapore. These allow you to credit taxes paid in the source country against your Thai PIT liability, capped at the lesser of the foreign tax paid or the Thai tax on the same income. Crucially, the UAE has no DTA with Thailand - meaning income from your UAE savings or IBKR account held under UAE residency has no treaty protection and is fully exposed to Thai PIT if remitted after establishing Thai residency.
Because Thailand taxes the capital gain component of remitted proceeds (the excess over cost basis), a portfolio with a low historical cost basis becomes a tax liability on every remittance. Executing the Cost-Basis Reset in Dubai before establishing 180-day Thai residency is critical. After the reset, your IBKR portfolio starts from current Fair Market Value - only future marginal appreciation is exposed to Thailand's 35% top rate when you eventually bring money in.
The Thai Revenue Department has circulated a 2025 draft directive proposing that foreign income earned in 2024 or later may be remitted tax-free if brought into Thailand within the same calendar year it is earned. This would allow earned income to be treated on a current-year basis without penalising rapid repatriation. The directive had not been formally enacted as of mid-2026 - verify current status with a Thai registered tax adviser before planning around this provision.