Where do these egg odds come from?

Odds are based on community-documented rates for Adopt Me eggs (Cracked, Pet, Royal). Game developers sometimes adjust rates; use custom odds if you have updated data.

What does "expected hatches" mean?

Expected hatches for first Legendary is the average number of eggs you need to open before getting your first Legendary. It's 1 ÷ probability. For 1.5% Legendary, that's about 67 hatches on average.

Can I use this for Pet Simulator eggs?

Pet Simulator uses different systems (gems, diamonds). Use custom odds if you know the game's hatch rates. The math is the same.

Why is my luck worse than the odds?

Odds are probabilities over many tries. In the short term, variance is high. You might get a Legendary in 5 hatches or 200—the calculator shows long-run expectations.

What egg has the best Legendary odds?

Royal Egg has the highest documented Legendary rate (8%) among purchasable eggs. Golden and Diamond Eggs (Star Rewards) guarantee Legendary but require significant play.

Roblox Egg Hatch Odds Simulator

Simulate egg hatching in Roblox pet games. See your odds of getting Legendary, Ultra-Rare, and Rare pets from Cracked, Pet, Royal, and custom eggs.

Egg Type

Number of Hatches

Interpreting Your Result

Higher P(at least 1 Legendary) means better chance of getting at least one Legendary in your hatches. Expected hatches tells you how many eggs you might need on average. Remember: odds are long-term averages—individual luck varies.

✓ Do's

•Use preset egg types for quick Adopt Me estimates.
•Use custom odds when you have updated game-specific rates.
•Set realistic expectations—Legendary odds are low.
•Compare Cracked vs Pet vs Royal before spending in-game currency.
•Run multiple scenarios (different egg types, hatch counts) to compare odds.

✗ Don'ts

•Don't assume you'll beat the odds—variance is real.
•Don't spend more than you can afford chasing Legendaries.
•Don't ignore Ultra-Rare odds—they're more achievable.
•Don't forget eggs change; rates may be adjusted in updates.

How It Works

The Roblox Egg Hatch Odds Simulator calculates the probability of hatching specific rarities from eggs. Select an egg type (Cracked, Pet, Royal, or custom odds) and the number of hatches. You get P(at least 1 Legendary), P(at least 1 Ultra-Rare or better), expected hatches for your first Legendary, and a probability breakdown. Formula: P(at least 1 success in n tries) = 1 − (1 − p)^n. Expected hatches for first Legendary = 1 ÷ p. Real Adopt Me odds: Cracked Egg Legendary 1.5%, Pet Egg 3%, Royal Egg 8%. Use this to plan your hatching strategy and set realistic expectations.

Understanding the Inputs

Egg Type: Preset options (Cracked, Pet, Royal) use documented Adopt Me odds. Custom lets you enter Legendary % and Ultra-Rare+ % manually. Number of Hatches: How many eggs you plan to open. Outputs: P(at least 1 Legendary), P(at least 1 Ultra-Rare+), expected hatches for first Legendary, and probability breakdown.

Formula Used

P(at least 1 Legendary in n hatches) = 1 − (1 − p_L)^n. P(at least 1 Ultra-Rare+ in n hatches) = 1 − (1 − p_UR)^n. Expected hatches for first Legendary = 1 ÷ p_L. Preset odds: Cracked Egg L 1.5% / UR 6%; Pet Egg L 3% / UR 15%; Royal Egg L 8% / UR 30%.

Real Calculation Examples

1Cracked Egg, 100 hatches: P(at least 1 Legendary) = 1 − (0.985)^100 ≈ 77.8%. Expected hatches for first L ≈ 67.
2Pet Egg, 50 hatches: P(at least 1 Legendary) = 1 − (0.97)^50 ≈ 78.2%.
3Royal Egg, 20 hatches: P(at least 1 Legendary) = 1 − (0.92)^20 ≈ 81.1%.

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The Comprehensive Guide

Roblox pet games like Adopt Me revolve around egg hatching. You buy eggs, hatch them, and hope for Legendary or Ultra-Rare pets. But what are your actual odds? The Roblox Egg Hatch Odds Simulator shows you the probability of getting rare pets from Cracked, Pet, Royal, and custom eggs—so you can plan your hatches and set realistic expectations.

How Egg Hatching Works in Roblox

In Adopt Me and similar games, eggs contain pets of varying rarities: Common, Uncommon, Rare, Ultra-Rare, and Legendary. Each egg type has fixed (but often undisclosed) drop rates. The community has documented rates for popular eggs through large-scale hatching. Our simulator uses these rates to calculate your odds.

Preset Egg Odds (Adopt Me)

Based on community research:

Cracked Egg (350 Bucks): Legendary 1.5%, Ultra-Rare 6%. Cheapest egg, lowest Legendary odds.
Pet Egg (600 Bucks): Legendary 3%, Ultra-Rare 15%. Mid-tier cost, better odds.
Royal Egg (1,450 Bucks): Legendary 8%, Ultra-Rare 30%. Most expensive standard egg, best Legendary odds among purchasable eggs.
Golden & Diamond Eggs: 100% Legendary, earned via Star Rewards (660 stars).

The Math Behind Hatch Odds

If a Legendary has a 1.5% (0.015) chance per hatch, then:

P(at least 1 Legendary in n hatches) = 1 − (1 − 0.015)^n = 1 − (0.985)^n
Expected hatches for first Legendary = 1 ÷ 0.015 ≈ 67 eggs

So on average, you need ~67 Cracked Eggs to get one Legendary. In 100 hatches, you have about a 78% chance of getting at least one. Use this simulator to compare different egg types and hatch counts.

Why Your Luck Feels Random

Probability works over many trials. You might get a Legendary in 5 hatches or 150. Variance is high. The simulator shows long-run expectations—what you'd expect if you hatched thousands of eggs. For individual sessions, results will vary. That's normal.

Choosing the Right Egg

If your goal is Legendaries, Royal Eggs offer the best odds per hatch—but they cost more. If you're on a budget, Cracked Eggs are cheap but require many more hatches on average. The simulator lets you compare: how many Pet Eggs vs Cracked Eggs do you need for a 50% chance at a Legendary? Run the numbers before spending.

Combining Hatch Odds with Trading

Once you hatch pets, you'll want to trade them. Use our Roblox Pet Value Calculator to estimate what your new pets are worth, and our Roblox Trading Profit Analyzer to evaluate offers. Hatching and trading go hand in hand—know your odds, know your values.

Custom Odds for Other Games

Pet Simulator X, Pet Simulator 99, and other Roblox pet games use different egg systems. If you know the Legendary or Ultra-Rare drop rates, use the Custom option in the simulator. The math is the same: enter the percentage, and the tool calculates your odds.

Conclusion

Egg hatching is a mix of luck and strategy. The Roblox Egg Hatch Odds Simulator gives you the numbers—expected hatches, probability of success—so you can decide how to spend your in-game currency. Hatch smart, trade smart.

Quick Reference: Popular Egg Odds and Outcomes

Egg Type	Legendary Chance	Ultra-Rare+ Chance	Expected Hatches for 1 Legendary	P(≥1 Legendary in 50 hatches)
Cracked Egg	1.5%	6%	≈ 67 hatches	≈ 53%
Pet Egg	3%	15%	≈ 34 hatches	≈ 78%
Royal Egg	8%	30%	≈ 13 hatches	≈ 98%
Golden Egg	100%	100%	1 hatch	100%
Diamond Egg	100%	100%	1 hatch	100%