A 20 dollar Robux gift card is equivalent to 1,600 Robux. How much is 50$ in Robux? 50 dollars is equivalent to 4,000 Robux. How much is 100k Robux? 100,000 Robux is equivalent to 1,250 dollars. How much is a 50 dollar Robux gift card? A 50 dollar Robux gift card is equivalen...