If you’ve ever sold a game pass, clothing item, or developer product on Roblox, you may have noticed you don’t receive the full amount of Robux.
This happens because of the Roblox marketplace tax.

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The Formula

Roblox takes 30% of every sale as a marketplace fee.
Here’s the formula:

Your Robux = Sale Price × (1 – 0.30)

Example calculations:

• 100 Robux → You get 70 Robux
• 1,000 Robux → You get 700 Robux
• 10,000 Robux → You get 7,000 Robux

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Why Does Roblox Take This Fee?

The 30% deduction isn’t random. Roblox applies it to:

• Pay for servers and bandwidth
• Run moderation systems
• Provide safe payment processing
• Invest in platform updates

It’s similar to transaction fees in app stores or online marketplaces.

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Use the Calculator Instead of Manual Math

You don’t need to calculate by hand every time.
Our Roblox Tax Calculator instantly tells you how much Robux you’ll have after the fee.

👉 Access it here: Roblox Tax Calculator

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Final Note

Understanding how much Robux you actually keep helps you set better prices for your in-game products.
With the calculator, you’ll always know your net earnings before making a sale.