Roblox calculators & developer tools

Free, accurate calculators for Roblox creators — no sign-up required. Work out your DevEx payout, the 30% marketplace tax, and Robux-to-USD conversions in seconds.

• DevEx Calculator

  Convert earned Robux to your USD cash-out at the official $0.0035/Robux DevEx rate.

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• Roblox Tax Calculator

  See what you keep after Roblox's 30% marketplace fee on any sale — and what to charge.

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• Robux to USD

  Quick Robux ↔ USD conversion at the DevEx rate for pricing and payout math.

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