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.
Annual net taxable income (THB) →
- Standard allowancespersonal · spouse · children
- SSO contributionsemployee + employer match
- Employment income deduction50% · capped ฿100k
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.
Enter a monthly gross salary aboveEnter a monthly gross salary
Results appear here the moment you type a value. Monthly withholding, annual tax, effective rate, employee + employer SSO, and a per-bracket breakdown.
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
Thailand PIT bracket reference 2026
Source: Revenue Department of Thailand – for developer and planning reference when using the Settlr calculator.
| 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 |
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.