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Enter your token budget, select a pack, and instantly see your probability of pulling Legendaries, Chromas, and every other rarity tier.

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How Blooket Pack Odds Work

Every Blooket pack uses a weighted probability system where each blook has a predefined percentage chance of being selected on any given opening. These percentages are fixed and do not change based on your previous results — each opening is a completely independent random event.

The most critical concept for efficient token management is understanding expected value. The formula is simple: Expected Tokens = Pack Price ÷ (Drop Rate / 100). For example, if a Legendary has a 0.5% drop rate in a 20-token pack, the expected cost is 20 ÷ 0.005 = 4,000 tokens.

However, "expected" doesn't mean "guaranteed." Due to the nature of probability, approximately 37% of players will need more than the expected number of tokens. To reach a 95% confidence level, multiply the expected cost by roughly 3x. Our calculator handles all of this math automatically.

The Probability Math Behind Pack Odds

The probability of pulling a specific blook in N pack openings follows the geometric distribution:

P(at least 1 in N) = 1 - (1 - p)^N

Where p is the drop rate (as a decimal) and N is the number of openings. For a 1% chance (p = 0.01) over 100 openings:

1 - (0.99)^100 = 0.634 → You have a 63.4% probability of pulling it within 100 openings. Not 100%. Not even close to guaranteed.

This is precisely why a dedicated odds calculator is essential. Our tool computes these probabilities instantly for any token budget, any pack, and any target blook. Stop guessing — calculate your exact odds.

Pack Odds Comparison — All Packs

Quick comparison of odds and expected token costs across all Blooket packs. Click any pack for a detailed breakdown.

Pack Cost Epic % Legendary % Chroma % Legendary Tokens Chroma Tokens
Space Pack 20 4.5% 0.45% 0.35% 4,444 5,714
Medieval Pack 20 5% 1% 2,000
Breakfast Pack 20 7%
Wonderland Pack 20 5% 0.3% 6,667
Dino Pack 25 3.7% 0.3% 8,333
Aquatic Pack 20 6% 0.7% 2,857
Safari Pack 20 3.48% 0.5% 0.02% 4,000 100,000
Bot Pack 20 3.7% 0.3% 6,667
Ice Monster Pack 25 4.5% 0.35% 0.15% 7,143 16,667
Spooky Pack 25 3.29% 0.65% 0.06% 3,846 41,667
Outback Pack 25 3.6% 0.37% 0.03% 6,757 83,333
Pirate Pack 25 3.67% 0.3% 0.03% 8,333 83,333
Autumn Pack 20 4.45% 1% 0.05% 2,000 40,000

Odds by Rarity Tier

Blooket's rarity system creates a clear probability hierarchy. Here's what you're statistically dealing with:

Uncommon (15–25% per blook): You'll pull these constantly. Every 4–7 openings yields an Uncommon on average. They have minimal sell value but are inevitable during any pack-opening session.

Rare (5–15% per blook): Moderately common. Expect one every 7–20 openings. Some packs have higher Rare concentrations than others.

Epic (1–5% per blook): The first tier where token efficiency matters. At 2% in a 20-token pack, you'll need roughly 1,000 tokens per Epic. Worth tracking in our calculator.

Legendary (0.3–1.0% per blook): The prestige tier. Expected costs range from 2,000 to 8,000+ tokens. Check our Legendary guide for optimal strategies.

Chroma (0.02–0.08% per blook): Near-impossible odds. Budget 20,000–100,000+ tokens for specific Chromas. See our complete Chroma database.

Common Odds Mistakes to Avoid

1. The Gambler's Fallacy. Opening 50 packs without a Legendary does NOT increase your odds on pack #51. Every opening has identical probability. There is no "pity system" in Blooket.

2. Confusing cumulative vs individual odds. A pack with 3 Legendaries at 0.3% each has a 0.9% combined Legendary chance — but only a 0.3% chance of getting a specific one. Make sure you're calculating the right number.

3. Ignoring sell-back value. Your net token cost is much lower than gross cost when you factor in selling duplicates. Always enable the "Resell" toggle in our calculator for accurate results.

4. Small sample sizes. Opening 10 packs and getting nothing proves nothing statistically. You need 50–100+ openings for results to start reflecting true probabilities. Use our simulator to test with zero risk first.

Frequently Asked Questions

How do I calculate Blooket odds?

Use the formula: Expected Tokens = Pack Price ÷ (Drop Rate / 100). For example, a 0.5% drop rate in a 20-token pack means 20 ÷ 0.005 = 4,000 expected tokens. Our calculator automates this for every blook.

What are the odds of getting a Legendary in Blooket?

Legendary odds vary by pack, typically ranging from 0.3% to 1.0%. The Medieval Pack has the highest single Legendary rate at 1.0% (King). Expected token costs range from 2,000 to 8,000+ tokens.

Is there a pity system in Blooket packs?

No. Blooket uses independent random events for each pack opening. There is no pity timer or guaranteed drop after a certain number of openings. Every pack opening has identical odds regardless of history.

What is the chance of getting a Chroma in Blooket?

Chroma drop rates range from 0.02% to 0.08% per individual blook. Packs with multiple Chromas (like Space Pack with 7) offer a combined chance of up to 0.35% for pulling any Chroma.

How do I calculate probability of getting a specific Blook?

Use the geometric distribution formula: P = 1 - (1 - drop_rate)^N, where N is the number of openings. For a 1% chance over 100 openings: 1 - (0.99)^100 = 63.4% probability.