Bonus Tax Calculator (Thailand)
Estimate withholding tax on a bonus under Thailand's two methods — lump-sum or combined with salary.
Tax (lump-sum method)
Tax (combined method)
Cheaper method
Frequently Asked Questions
What are the two bonus tax methods?
Lump-sum: bonus ÷ 12 to find the bracket, applied to the whole bonus. Combined: add bonus to annual salary and recompute. Choose whichever is lower.