There are multiple ways that this can be done one of the easiest and safe ways is to use online tools that work smoothly and fastly. Convert Robux to USD using our calculator. A tool that automatically converts the current Robux currency value, to its value worth in dollars. This page gives the estimation for Robux to USD. 1 Robux is worth $0.0125. Note that this calculator does not involve any bonus Robux that may be earned from buying more Robux at a time. While using Robux to USD converter, the user can rest assured of the result’s accuracy and authenticity.