Is this calculator an official government tool?

No. It is an independent planning tool built on published reference rules and does not replace official filing or adviser review.

Can I rely on this estimate for filing or payment?

Use it for planning only. Verify the final tax, payroll, customs or wage position with the responsible authority before filing or payment.

Thailand business reference

Payroll and social security estimator

Estimate employer cost and contributions using the published cap.

2026-08-13Not official

Monthly gross salary

Employer contribution: 0 THB
Employee contribution: 0 THB
Total employer payroll cost: 0 THB

Official contribution basis

Employer rate: 5%
Employee rate: 5%
Monthly wage cap: THB 17,500
Effective date: 2026-01-01

How the payroll estimator works

The payroll estimator applies Social Security contribution assumptions to a monthly gross salary. It is a planning tool for employer cost and does not replace payroll filing, labour-law review or contract drafting.