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Calculate commission

Calculate fixed or incremental commissions from monthly sales.

Wages/LabourVerifiable formulaYou can save and share results.

Fixed commissions and a ladder.

Calculate commissions on sales, both single and multi-level.

It's good for salespeople, insurance agents, and commission earners.

Commission Calculator

The Commission Calculator estimates a general arithmetic estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own commission figures and recalculate after changing an assumption. Use it to compare scenarios, then verify any current rate or fee before acting.

Choose a commission type and enter your sales data. The system will calculate the commission and summarize the total revenue.

Calculation example

Constant rate: Sales 500,000 baht × 5% = 25,000 baht

Steps: Sales 500,000 baht, Step 1: 100,000 baht First × 3% = 3,000 baht, Step 2: 200,000 baht Next × 5% = 10,000 baht, Step 3: 200,000 baht remaining × 8% = 16,000 baht, Total = 29,000 baht

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Frequently asked questions

What is a ladder commission?
Tiered Commission is a system that uses different commission rates according to the sales range. For example, sales 0-100,000 baht first = 3%, the excess 100,000 = 5%
What is a fixed commission?
Flat rate commissions are the same percentage of total sales, like 5% of sales per baht.
What is the tax deduction at source for commissions?
Commissions are classified as income type 40(2). If an employee deducts at the place of payment the progressive rate. If an independent agent deducts 3% of the amount paid.
How is the commission taxable?
Commissions from the same employer combined with wages are income 40(1) taxable together, deducted expenses 50% maximum 100,000 baht
Disclaimer: Results are preliminary estimates. Actual amounts depend on contract terms and company policies.

English calculator guide

How to use the Commission Calculator

Use this page to test a specific commission 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 commission estimate instead of relying on a generic example.

  1. Build a baseline commission case with figures that match your situation.
  2. Run a second commission case after changing the rate, period, quantity or other key assumption.
  3. Record the difference between the two commission results and the input responsible for it.

Inputs for the commission estimate

For this commission calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a general arithmetic estimate for your scenario, not a guaranteed provider price or official decision.

How the commission result is calculated

The calculator applies the displayed inputs to the stated arithmetic relationship. Reusing the same commission inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.

Checks for a commission decision

Confirm any current rate, threshold or provider rule that could change the final amount. For commission, 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

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Creator and reviewer

Creator
Kamnuanlek editorial team
reviewer
Kamnuanlek recipe and resource review team
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