Welcome to RBXCalc
A collection of powerful calculators for all your Roblox needs.
Most Popular Tools
What is RBXCalc?
RBXCalc is a suite of calculators built specifically for Roblox players and developers. Whether you're buying Robux, earning from game passes or cashing out via DevEx, our tools help you quickly and accurately make the right calculations.
Roblox’s platform fees and various exchange rates can be confusing and time-consuming to figure out. That’s why RBXCalc exists — to save time and avoid costly mistakes.
These tools are ideal for game developers, group owners, and players who want to better manage their in-game currency and earnings. Every calculator is designed to be fast, accurate, and easy to use.
Whether you're planning a DevEx withdrawal or just want to know how much Robux you'll get after tax, we've got you covered.
What is Robux and Why Use a Calculator??
Robux is the virtual currency used on the Roblox platform. Whether you’re buying game passes, selling items, or cashing out earnings, it's important to understand how Robux converts to real-world value, and how platform fees affect your transactions. Our tools help you make smart, informed decisions.
Test Your Roblox Knowledge!
Take this fun quiz to see how well you know Roblox.