It's good for employees negotiating salary increases or planning their finances.
Salary Increase Calculator
The Salary Increase 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 salary increase figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.
Fill in the current salary and the percent that is coming up. The system will show the new salary and the differences both monthly and annually.
Salary and wages are calculated from the data entered, used for planning and preliminary checks before comparing with slips or documents from the employer.
Use tax base, social security, and standard terms of the tool.
Excluding benefits or company-specific agreements.
In case of dispute, check the employment documents and the latest labor laws.
The increase in salary 5% means that the new salary = the same salary × 1.05. For example, the same salary 30,000 baht increase 5% = 31,500 baht monthly difference 1,500 baht
What is the average wage increase in Thailand?
The average wage increase rate in Thailand is usually between 3-8% per year, depending on the industry, company performance and employee performance.
How does that pay rise affect taxes?
Higher wages may lead to higher taxation on the ladder, and the tax impact should be considered.
How do you calculate the mid-year pay rise?
The additional income per year in that year = monthly difference × number of months remaining in the year, for example, up from July = difference × 6 months
What is the minimum wage for the year 2026?
The minimum wage in 2025-2026 in Bangkok and surrounding areas is 370-400 baht/day, in the provinces is 330-370 baht/day depending on the province. Check the latest rate from the Ministry of Labour mol. go. th
What is the net salary calculated from?
Net salary = Total salary - Tax deducted at place of payment - Social security contributions (5% maximum 875 baht) - Subsistence reserve fund (if any) Employer pays additional social security to the other party 5%
How does OT count?
Regular days: 1.5 times the normal hourly wage | Holidays: 2 times (regular hours) and 3 times (overtime) | Under the Labour Protection Act 1998
What's the benefit of a life insurance fund?
Long-term savings that employers contribute (1-15% of wages) + maximum tax deduction 15% of income or 500,000 baht + return on investment withdrawable when leaving work or retirement
Disclaimer: Results are preliminary figures, actual amounts may vary depending on company policies and conditions.
English calculator guide
How to use the Salary Increase Calculator
Use this page to test a specific salary increase 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 salary increase estimate instead of relying on a generic example.
Build a baseline salary increase case with figures that match your situation.
Run a second salary increase case after changing the rate, period, quantity or other key assumption.
Record the difference between the two salary increase results and the input responsible for it.
Inputs for the salary increase estimate
For this salary increase 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 salary increase result is calculated
The calculator expresses the relationship between the entered values as a percentage or ratio. Reusing the same salary increase inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.
Checks for a salary increase decision
Check the effective date and confirm current rules with the relevant Thai authority or a qualified adviser. For salary increase, 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
Review formula structure, test cases, data sources, effective dates, and risk language accordingly.How to check our · There is no claim that an outside professional reviewed it. Unless the page directly states the name and qualifications. This content is therefore not individual advice.
This history and results reside only in this device's browser. Press clear to delete immediately.
💾 Saved calculations
Save numbers only in this device's browser. It could be health or financial information. Therefore, the entered values or results are not sent to the server. You can delete them all from the button above. And data should be cleared when sharing the device with others.
Select 2–5. Items to compare
📊
There are no saved calculations yet.
Press the "Save" button after calculation to store the results.
