Family Allowance Calculator
The Family Allowance Calculator estimates an income, tax or statutory-cost estimate for the figures entered from the income, employment or business status, relevant period, allowances and current thresholds shown on the page. Replace the example values with your own family allowance figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.
[updated year 2026]
Calculate the cost of care for a relative who is in custody, dependent support.
Monthly Rate
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Value per year
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❓ Frequently Asked Questions
How many dependents are considered a deduction?
According to the tax law, dependents must have an income of less than 180,000 baht/year, so they can get a deduction of 15,000 baht per person.
How much dependants support do you need to register?
According to the Royal Foundation, if a child or elderly person is to be registered with the SPS, to request the right to announce.
Is there any money for the hostage?
Yes, depending on the conditions, like old age, disability, but first of all,
English calculator guide
How to use the Family Allowance Calculator
Use this page to test a specific family allowance scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the family allowance estimate instead of relying on a generic example.
- Build a baseline family allowance case with figures that match your situation.
- Run a second family allowance case after changing the rate, period, quantity or other key assumption.
- Record the difference between the two family allowance results and the input responsible for it.
Inputs for the family allowance estimate
For this family allowance calculation, check the income, employment or business status, relevant period, allowances and current thresholds shown on the page. The result is designed to show an income, tax or statutory-cost estimate for the figures entered, not a guaranteed provider price or official decision.
How the family allowance result is calculated
The calculator applies the displayed inputs to the stated arithmetic relationship. Reusing the same family allowance inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a family allowance decision
Check the effective date and confirm current rules with the relevant Thai authority or a qualified adviser. For family allowance, Use the result to reconcile a payslip or plan take-home pay. Employer payroll rules, benefits, withholding and statutory contributions can change the final amount. Check the important inputs and any current provider or authority rules before using the result for a decision.
- Language QA
- Terminology, numeric values and calculator controls checked
- Calculator scope
- General arithmetic
- Last English review
- 26 July 2026