คำนวณภาษีเงินได้จากเงินเดือน ปีภาษี 2569: ค่าลดหย่อน ประกันสังคม และเงินได้สุทธิ
Estimates only, not financial advice. What you type stays on your device. Checked against sources on 17 Oct 2026.คำนวณภาษีเงินได้ (Thai income tax) on a salary: take off ค่าใช้จ่าย of 50% up to 100,000 baht, then ค่าลดหย่อน of 60,000 for yourself, 60,000 for a spouse with no income, 30,000 per child and per parent, and ประกันสังคม as paid. Net income up to 150,000 baht is exempt, then 5% to 35%. From 2569 Social Security is 5% of pay up to 17,500, so at most 875 baht a month. On 50,000 a month the tax is 20,450 baht a year.
Before Social Security and tax.
30,000 baht each, if their own income is under 30,000 a year. Up to 2, or 4 with your spouse's parents.
Life and health insurance, provident fund, RMF/SSF/Thai ESG, home loan interest: the amounts you can claim.
฿47,420.83
฿600,000 income − ฿10,500 Social Security − ฿20,450 tax, over 12 monthsNot included: the 65+ and disability exemptions, other income, non-residents. Employers withhold monthly on an estimate; the PND 91 return settles the year.
Revenue Department rate table and PND 91 guide (tax year 2568, latest published), Social Security Office wage base from 1 January 2569, checked 17 Oct 2026. An estimate.
| Salary and bonus | ฿600,000 |
| Expenses: 50%, at most 100,000 | −฿100,000 |
| Personal allowance | −฿60,000 |
| Social Security paid | −฿10,500 |
| Net income | ฿429,500 |
| Income tax | ฿20,450 |
2026 (B.E. 2569) · Rates and rules read from the sources listed on this page (the earliest on 17 Oct 2026); they may have changed since.
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This calculator works out the personal income tax on a salary in Thailand for tax year 2026 (B.E. 2569), with the employee's Social Security contribution, from the Revenue Department's rate table and filing guide and the Social Security Office's 2026 wage base.
The tax. The first 150,000 baht of net income is exempt. Then the rates are 5% to 300,000, 10% to 500,000, 15% to 750,000, 20% to 1,000,000, 25% to 2,000,000, 30% to 5,000,000 and 35% above.
A worked example. On 50,000 baht a month: income 600,000, expenses 100,000, allowances 60,000 plus 10,500 Social Security, net income 429,500. Tax is 7,500 + 10% x 129,500 = 20,450 baht, about 1,704 a month, leaving 47,420.83 baht a month.
The rest of the article, and all 6 questions about Thailand Income Tax Calculator 2026, are on the Thailand Income Tax Calculator 2026 page.
Start from the year's salary and bonus, take off 50% expenses up to 100,000 baht, then the allowances: 60,000 for yourself, family allowances and Social Security paid. The net income is taxed in bands: 0% to 150,000 baht, then 5% rising to 35% above 5,000,000 baht.
Net income up to 150,000 baht is exempt. Above that the rates are 5% to 300,000, 10% to 500,000, 15% to 750,000, 20% to 1,000,000, 25% to 2,000,000, 30% to 5,000,000 and 35% on the rest. The Revenue Department table has applied since tax year 2017.
Yes. The Revenue Department lets you deduct the Social Security contributions you actually paid in the tax year, up to what the Social Security law sets. With the 2026 ceiling that is at most 875 baht a month, so up to 10,500 baht for a full year.
Employers withhold tax each month on an estimate of the whole year, and change it when pay or allowances change. The calculator shows the tax for the full year and spreads it over 12 months. The yearly PND 91 return settles any difference as a refund or extra payment.
Rates and rules change; check the source before you rely on a figure.
Still stuck? Ask about Thailand Income Tax Calculator 2026 and anybody who knows can answer. No account needed.
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