New Tax calculator 2026 Tax 2026
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New · Tax year 2026

Thai personal income tax calculator 2026

Estimate your Thai personal income tax for 2026 in a few seconds. Enter your income, your family situation and your deductions: the result updates as you type.

Income
Added as is, with no expense deduction. Rent, dividends, freelance or foreign income follow other rules. THB
Family
60,000 THB applies only if you are legally married and your spouse has no taxable income in the year.
Children We count 30,000 THB per child as an example. The allowance only applies under limited conditions (legitimate or adopted child, under 20, or up to 25 if at university, with income under 30,000 THB a year), and a second or later child born in 2018 or after can give 60,000 THB. Please have your figure verified.
of which second or later child born in 2018 or after Second or later child born in 2018 or after: an extra 30,000 THB each.
Parents you support (age 60+) 30,000 THB per parent aged 60 or over with income of 30,000 THB or less a year, claimed by one child only. Your spouse's parents count only if your spouse has no income.
Deductions
max 10,500 Estimated at 5% of salary, capped at 875 THB a month (10,500 THB a year) for 2026. Enter 0 if you do not contribute to the Thai Social Security Fund. THB
max 100,000 Policies of 10 years or more with an insurer in Thailand. Health insurance (up to 25,000 THB) shares the same 100,000 THB limit. THB
max 500,000 Provident fund, RMF and pension insurance each have their own limit (15% or 30% of income) and share a 500,000 THB cap. This field is a simplified total; Thai ESG funds are not included. THB
max 100,000 Interest on a loan from a lender in Thailand for your own home in Thailand, up to 100,000 THB, shared between co borrowers. THB