021 Roblox Gift Card – 2400 Robux ($30) How much credit does a 20 Robux gift card give you? This Roblox Card gives you 30 credits that can be exchanged for Robux, the in-game currency used to purchase additional gear and collectibles. How much is 20$ for Robux? $ = 1600 Robux How much Robux is in a $40 gift card? February Exclusive Virtual Item with purchase of any Roblox Gift Card. February Exclusive. in game Broccoli Head with any Roblox Gift Card purchase. Offer valid 2/1/2022 – 2/28/2022 While Supplies Last. Limit one per transaction. Virtual item is delivered to Roblox account after the item code is redeemed. Roblox Gifts. Get Gift Cards.