Bracket ladder
The withholding tax you owe,computed in eight bands.
A free Thailand PIT calculator built from the Revenue Department's 2026 progressive brackets. Enter monthly gross, standard allowances, and SSO – get a clean monthly obligation.
- Standard allowancesPersonal, spouse, and children applied before the brackets.
- SSO contributionsEmployee and employer social security estimated each month.
- Employment income deduction50% of gross, capped at ฿100,000 per year — automatic.
Payroll tax calculator
Enter employee details. See your obligation breakdown.
Start with the employee's monthly gross. Results update as you type.
Employee details & monthly salary
How we calculate it
5 steps- 01
Annualise gross salary
Monthly gross × 12 = annual gross.
- 02
Subtract employment income deduction
50% of gross, capped at ฿100,000 per year.
- 03
Apply standard allowances
Personal (฿60k), spouse (฿60k), children (฿30k each, max 3), SSO, other.
- 04
Step through 8 progressive brackets
0% → 35%, marginal at each band per Revenue Department PIT 2026.
- 05
Divide annual tax by 12
Monthly withholding tax to deduct from each pay cycle.
Your results
฿0.00
Gross salary minus withholding tax and employee SSO.
฿0.00
Amount to remit to the Revenue Department each month.
฿0
0.00%
Monthly WHT + employee & employer SSO
฿0.00
Show calculation steps
Per-bracket tax
Rate card
Thailand PIT brackets 2026
Source: Revenue Department of Thailand — the same eight bands the calculator steps through.
| Income bracket (THB/year) | From | To | Rate | Max tax in bracket |
|---|---|---|---|---|
| 0 to 150,000 | 0 | 150,000 | 0% | 0 |
| 150,001 to 300,000 | 150,001 | 300,000 | 5% | 7,500 |
| 300,001 to 500,000 | 300,001 | 500,000 | 10% | 20,000 |
| 500,001 to 750,000 | 500,001 | 750,000 | 15% | 37,500 |
| 750,001 to 1,000,000 | 750,001 | 1,000,000 | 20% | 50,000 |
| 1,000,001 to 2,000,000 | 1,000,001 | 2,000,000 | 25% | 250,000 |
| 2,000,001 to 5,000,000 | 2,000,001 | 5,000,000 | 30% | 900,000 |
| 5,000,001 and above | 5,000,001 | No limit | 35% | Unlimited |
Sample slips
Worked examples: single filer, no dependents
Three common monthly gross salaries, calculated with the same 2026 brackets and default allowances used in the calculator above.
Last updated 26 July 2026
| Monthly gross | SSO (employee) | Withholding tax | Take-home | Effective rate |
|---|---|---|---|---|
| ฿50,000 | ฿875 | ฿1,704 | ฿47,421 | 3.4% |
| ฿100,000 | ฿875 | ฿10,198 | ฿88,927 | 10.2% |
| ฿200,000 | ฿875 | ฿36,154 | ฿162,971 | 18.1% |
Assumes single filer, no children, no spouse allowance, and no additional deductions. Married filers, dependents, and mid-year joiners will see different results — use the calculator above for your exact figures.
Methodology: figures are computed using the same calculation engine as the interactive calculator above — annual gross minus the 50% employment income deduction (capped at ฿100,000), minus personal/spouse/child allowances and SSO, run through the 8 progressive PIT brackets published by the Revenue Department of Thailand for tax year 2026, then divided by 12 for a monthly withholding figure.
This calculator provides an estimate for planning purposes only. Actual tax liability may vary based on individual circumstances. Consult Settlr or a qualified Thai tax advisor for precise calculations. Settlr is a WOWS Global company. Source: Revenue Department of Thailand – PIT Rates 2026.
Questions
Before you calculate
What tax year does this Thailand payroll tax calculator use?
The calculator uses Thailand tax year 2026 progressive personal income tax brackets and standard employment deductions shown on the page.
Does the calculator include Thai social security contributions?
Yes. It estimates employee and employer SSO contributions alongside monthly withholding tax and total payroll obligations.
Can Settlr manage payroll filings after I estimate payroll tax?
Yes. Settlr manages Thai payroll runs, PND filings, social security, reimbursements, payslips, and related monthly payroll operations.
Want this run for you every month?
Settlr handles withholding tax, SSO, payslips, and PND filings – so month-end is a checkpoint, not a crisis.