The Math Behind the Blooket Chance Calculator

Ever wondered why it's so hard to pull a Chroma? It’s all in the percentages. A standard Blooket chance calculator uses binomial distribution to find the probability of at least one success in a series of independent trials.

Standard Drop Rates Explained

• Legendary Blooks: Typically have a 0.5% drop rate. This means you have a 50% "coin toss" chance after opening roughly 139 boxes.
• Chroma Blooks: With a 0.05% rate, your odds only start looking good after 1,000+ opens.
• Mystical Blooks: These are the rarest, often sitting at 0.02% or less.

Using our simulator allows you to visualize these odds before you start clicking. Don't leave your collection to chance; use the math to plan your next pack opening session.