How monthly net salary is estimated
We annualize your monthly salary, then apply a simplified salary expense deduction (50% of income, capped at THB 100,000 per year).
We subtract the personal allowance (THB 60,000) and estimated social security contributions (5% with monthly/annual caps used by this tool).
Progressive personal income tax is computed on net taxable income; annual tax is divided by 12 for a rough monthly tax, then subtracted from gross pay.
Example calculation
Enter a monthly salary like THB 30,000 and watch estimated SSO, estimated monthly tax, and net pay update instantly as you edit inputs.
Frequently asked questions
- Why doesn’t the result match my payslip exactly?
- A real payslip may include bonus, overtime, commission, provident fund, extra deductions, or company-specific payroll settings. This tool gives a simplified monthly take-home pay estimate from salary only.
- Does this include bonus, overtime, commission, or other income?
- No. This calculator is designed for regular monthly salary only. If you have other income or variable pay, your real tax and take-home pay may be different.
- Does this include family allowances or extra tax deductions?
- No. It uses a basic salary model with standard assumptions. If you want to include spouse, children, insurance, funds, or other deductions, use the full personal income tax calculator.
- Is the monthly tax shown here the same as real withholding tax?
- Not always. The tool estimates annual personal income tax and spreads it into monthly values, while employers may withhold tax using payroll rules, year-to-date adjustments, or bonus timing.
- Can I use net salary to plan a home loan or car loan?
- Yes, it is useful for a first budget check. After that, compare the result with the mortgage, car loan, or general loan calculator to estimate whether monthly installments fit your income.