One of the most common questions new Roblox developers ask is:
“Why does Roblox take 30% of my earnings?”

The answer lies in Roblox’s marketplace fee system, which directly affects how much Robux you keep.

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The 30% Fee Explained

Roblox charges a 30% cut on every sale made through the marketplace.
For example:

• Price: 500 Robux
• Fee (30%): 150 Robux
• You Keep: 350 Robux

This deduction is automatically applied — developers don’t need to calculate it manually.

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Why the Cut Exists

Roblox outlines several reasons for the 30% marketplace fee:

• Supporting the infrastructure that keeps games running smoothly
• Covering moderation and fraud prevention
• Handling global payment systems
• Funding platform growth and safety

Without this fee, the ecosystem would be harder to maintain at scale.

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Use the Calculator

Our Roblox Tax Calculator makes it easy to understand your take-home Robux.
You simply enter the sale price, and the calculator shows your net amount after the 30% fee.

👉 Try it out here: Roblox Tax Calculator

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Key Takeaway

The 30% cut is part of Roblox’s revenue model. While it reduces your earnings, knowing exactly how much you’ll get helps you plan pricing and strategy more effectively.