วิธีใช้ Income Tax Calculator
Estimate income tax brackets and payable tax amount easily based on Thai progressive tax.
ขั้นตอนการใช้งาน
1
Enter your total annual income in the first input.
2
Enter your combined personal deductions and expenses in the second input (default 160,000 THB).
3
The system calculates net taxable income and applies progressive tax brackets instantly.
4
Review your estimated payable tax and maximum tax bracket in the summary panel.