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How to Calculate Commission Amount Percentage of a number

Change the values below to see the calculation update in real time.

My broker charges a % commission fee. If I invest $ ...
How much is the fee?

Incomplete data. Enter all required values to see the calculations.

Answer: You'll pay $ in commission.

Type of calculation: Calculating a percentage of a number (commission amount).
How to use the calculator: Use the Basic Percentage Calculator (“What is A% of B?”). Enter 2 [A] and $8000 [B]. It will calculate 2% of $8000.
The formula:
We want to find 2% of $8000.
Formula: (Percentage / 100) × Whole
Commission amount = (2 / 100) × $8000 = 0.02 × $8000 = $160
For informational purposes only.

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App updated: August 2026