Quick answer
Enter hourly rate, hours, and selected multiplier.
Formula
Overtime = hourly rate × hours × multiplier.
Worked example
100 baht, 5 hours, multiplier 1.5
Estimated overtime is 750 baht.
Choose this tool when
Use this page after the hourly rate, overtime hours, and applicable multiplier are known. It does not decide legal eligibility or payroll deductions.
Assumptions and limitations
- The tool does not determine the legal multiplier.
- Confirm current Thai employment requirements.
Official sources
Last reviewed: 7 September 2026
Review again when the responsible authority changes the rule, rate, or effective period, or when this calculator's assumptions change.
Check the current Thai text and effective dates before relying on a result for tax, billing, employment, or legal purposes.