Roblox tools
Calculators, timers and reference tables for Roblox — they run right in your browser, no sign-up needed.
Robux Calculator: USD to Robux, DevEx Rate and Marketplace Fee
See official Robux prices, convert Robux to USD and back, check the DevEx rate and the creator share in the Marketplace — all in static tables sourced from Roblox documentation. An unofficial calculator, not affiliated with Roblox Corporation.
Latest guides
Roblox Age Rating System: Maturity Labels and Age Checks
Roblox runs its own system of four maturity labels — Minimal, Mild, Moderate, Restricted.
Roblox Badges: How to Earn and Create Your Own
A Roblox badge is a reward for an in-game achievement. Earned badges appear in the Badges section of your inventory
Roblox Controls: Keyboard, Gamepad and Accessibility
Roblox accepts input from mouse, keyboard and Xbox/PlayStation gamepads. We break down UserInputService, the Input Action System
Roblox Data Stores vs Memory Stores: Saving Player Progress
What Roblox's official documentation calls Data Stores and Memory Stores, how they differ, and why player progress sometimes disappears
Roblox Ratings: Thumbs Up/Down and the Feedback Panel
Players rate an experience with up/down buttons after playing, and developers see the votes and comments in the Feedback panel. We explain the mechanic
Are There Paid Add-Ons in Roblox? Plus vs Robux
Roblox has no classic one-off paid add-ons. There's the Roblox Plus subscription at US$4.99 a month and the Robux currency