Social Security Calculator
Calculate social security contributions by section (33, 39, 40)
Social Security Calculator
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Monthly contribution (employee)฿0.00
- Annual contribution
- ฿0.00
- Employer contribution (monthly)
- ฿0.00
- Salary after social security
- ฿0.00
- Effective deduction rate
- 0.00%
Results are estimates only
Formula
Section 33 = 5% × min(salary, wage ceiling), capped monthly Section 39 = fixed 432 THB/month Section 40 = 70 / 100 / 300 THB/month (by plan)
Data as of
Results are estimates only
FAQ
Section 33 covers employees, Section 39 covers former Section 33 members who continue voluntarily, and Section 40 covers self-employed/informal workers. Each has different contribution bases and rates.
Section 33 pays 5% of wages up to 750 THB/month, Section 39 pays a fixed 432 THB/month, and Section 40 pays 70 / 100 / 300 THB/month depending on the chosen plan.