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Roblox Adopt Me Legendary Pet Probability Calculator

Calculate your chances of hatching a Legendary pet in Adopt Me. Compare Royal, Cracked, and Gumball eggs.

Adopt Me Legendary Pet Probability

Don't waste bucks. Calculate your true odds of hatching a Legendary.

Hatch Configuration

1100

Ready to Calculate

Select your egg type to see the math behind the RNG.

Understanding the Inputs

Egg Type: Choose the specific egg you are hatching. Different eggs have different "Legendary Rates" (e.g., Royal Egg is 8%, Pet Egg is 3%).

Number of Eggs: The total amount of eggs you intend to open in one session. The more eggs you open, the higher your cumulative probability.

Formula Used

We use the Binomial Probability Formula for "At Least One Success":

P(X ≥ 1) = 1 - (1 - p)n

Where p is the hatching odds (e.g., 0.08) and n is the number of eggs.

How to Use This Calculator

  • Select the Egg Type you are planning to buy.
  • Enter the Number of Eggs you have or plan to purchase.
  • See the exact probability of hatching at least one Legendary.
  • Review the "99% Confidence" number to see how many eggs you really need to be safe.

Adopt Me Legendary Probability Guide: How to Beat the Odds

Why hatching 100 Royal Eggs isn't a guarantee: The harsh truth about probability and RNG.

Understanding the "Hatch Rate"

Every time you open an egg in Adopt Me!, the game rolls a digital die. If that die lands on specific numbers, you get a Legendary. If not, you get a Common or Uncommon.

The rates are fixed by the developers. For a Royal Egg, the rate is 8%. This means out of 100 eggs, on average, 8 will be Legendary. However, average does not mean guaranteed.

The Gambler's Fallacy

Many players believe: "I hatched 10 eggs and got zero Legendaries, so my next egg MUST be Legendary!"

This is false. Each egg is an independent event. The game does not care about your past failures. Even if you open 50 bad eggs in a row, the 51st egg still has only an 8% chance. This calculator uses the Binomial Distribution model to show you the collective probability of success over many attempts.

Royal Egg vs. Cracked Egg: The Math

Which egg gets you more Legendaries for your money? Let's break down the cost efficiency.

Royal Egg ($1450)

Odds: 8%

Cost per %: $181 per 1% chance.

Cracked Egg ($350)

Odds: 1.5%

Cost per %: $233 per 1% chance.

Verdict: The Royal Egg is mathematically roughly 25% more efficient for hunting Legendaries specifically. However, for filling your journal with random pets, Cracked Eggs offer more volume.

The "99% Certainty" Rule

If you want to be "virtually guaranteed" (99% sure) that you will get at least one Legendary, you need to hatch a specific amount of eggs. This is often more than people expect:

  • Royal Eggs: 56 Eggs (~$81,000 Bucks)
  • Urban/Desert Eggs (5%): 90 Eggs (~$67,500 Bucks)
  • Pet Eggs (3%): 152 Eggs (~$91,000 Bucks)
  • Cracked Eggs: 305 Eggs (~$106,000 Bucks)

This shows that Gumball Machine eggs (like Desert/Urban) are often the sweet spot for value, as they are cheaper than Royal eggs but have decent odds (usually 5%).

Strategies for Grinding Bucks

Since odds are fixed, the only way to improve your outcomes is to hatch MORE eggs. This requires more money.

1. Play as a Baby: You get paid double (once for yourself, once for your pet) if you take care of both needs.

2. Grinding Rooms: Build a shower, piano, feeder, and bed near your house entrance to complete tasks instantly.

3. Task Board: Always complete the daily RGB RGB tasks for big Buck bonuses.

RNG Myths Debunked

Myth: "Hatching at night gives better luck."

Fact: Time of day has no impact on code.


Myth: "If I pay Robux, I get better odds."

Fact: Robux eggs (like the Diamond Egg) have their own separate odds table, but buying bucks with Robux to buy Royal Eggs does not change the Royal Egg's internal rate.

Summary

Hatching Legendaries is a numbers game. Ignore superstitions and focus on efficiency. Royal Eggs are the best value for Legendaries, but Gumball Machine eggs offers the best resale value. Plan to spend at least $50,000 to $80,000 bucks to guarantee a success.

Related calculators

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(Roblox) Adopt Me Pet Aging Speed Calculator

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(Roblox) Adopt Me Bucks to Robux Converter

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(Roblox) Pet Value Calculator

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FAQs

What are the odds of hatching a Legendary from a Royal Egg?

A Royal Egg has an 8% chance of hatching a Legendary. This is the highest odds of any permanent egg in the game, but it costs significantly more bucks (1,450) than others.

Is the Cracked Egg worth it?

Mathematically, the Cracked Egg costs 350 Bucks and has a 1.5% Legendary chance. The Royal Egg costs 1450 Bucks (~4x more) for 8% chance (~5.3x odds). Therefore, Royal Eggs give you better 'Legendary per Buck' value, but Cracked Eggs are better for bulk-hatching Common/Uncommon pets for Neons.

Does the 'Gumball Machine' egg change odds?

Most limited-time Gumball Machine eggs (like Urban, Desert, Garden) follow a standard probability distribution: roughly 5% Legendary, 10-15% Ultra-Rare. However, because the pets are limited, they often hold higher trading value regardless of the hatch odds.

Does the 'Lucky Clover' or '2x Luck' exist in Adopt Me?

No. Adopt Me does not officially have 'Luck' stats or items that increase hatch chances. Any YouTuber claiming a 'glitch' to increase legendary odds is likely clickbaiting. The odds are fixed by the server code.

How many eggs do I need to guarantee a Legendary?

There is no 'Guarantee' (pity system) in Adopt Me. However, statistically, if you hatch 58 Royal Eggs, you have a 99% probability of getting at least one Legendary. But it is possible, though unlucky, to hatch 100 and get zero.

What is the 'Pier Method' or 'Hatch Trick'?

Players often have rituals (like resetting before hatching, or hatching at the pier). These are superstitions. They do not affect the RNG (Random Number Generator) of the game server.

Are 'Retired Eggs' better?

Retired Eggs (available in the VIP room) have the exact same 3% Legendary odds as standard Pet Eggs, but they contain a different pool of pets (Red Dragon, Unicorn, etc.) that are otherwise unobtainable from the shop.

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Roblox Adopt Me Legendary Pet Probability Calculator

Calculate your chances of hatching a Legendary pet in Adopt Me. Compare Royal, Cracked, and Gumball eggs.

How to use Roblox Adopt Me Legendary Pet Probability Calculator

Step-by-step guide to using the Roblox Adopt Me Legendary Pet Probability Calculator:

  1. Enter your values. Input the required values in the calculator form
  2. Calculate. The calculator will automatically compute and display your results
  3. Review results. Review the calculated results and any additional information provided

Frequently asked questions

What are the odds of hatching a Legendary from a Royal Egg?

A Royal Egg has an 8% chance of hatching a Legendary. This is the highest odds of any permanent egg in the game, but it costs significantly more bucks (1,450) than others.

Is the Cracked Egg worth it?

Mathematically, the Cracked Egg costs 350 Bucks and has a 1.5% Legendary chance. The Royal Egg costs 1450 Bucks (~4x more) for 8% chance (~5.3x odds). Therefore, Royal Eggs give you better 'Legendary per Buck' value, but Cracked Eggs are better for bulk-hatching Common/Uncommon pets for Neons.

Does the 'Gumball Machine' egg change odds?

Most limited-time Gumball Machine eggs (like Urban, Desert, Garden) follow a standard probability distribution: roughly 5% Legendary, 10-15% Ultra-Rare. However, because the pets are limited, they often hold higher trading value regardless of the hatch odds.

Does the 'Lucky Clover' or '2x Luck' exist in Adopt Me?

No. Adopt Me does not officially have 'Luck' stats or items that increase hatch chances. Any YouTuber claiming a 'glitch' to increase legendary odds is likely clickbaiting. The odds are fixed by the server code.

How many eggs do I need to guarantee a Legendary?

There is no 'Guarantee' (pity system) in Adopt Me. However, statistically, if you hatch 58 Royal Eggs, you have a 99% probability of getting at least one Legendary. But it is possible, though unlucky, to hatch 100 and get zero.

What is the 'Pier Method' or 'Hatch Trick'?

Players often have rituals (like resetting before hatching, or hatching at the pier). These are superstitions. They do not affect the RNG (Random Number Generator) of the game server.

Are 'Retired Eggs' better?

Retired Eggs (available in the VIP room) have the exact same 3% Legendary odds as standard Pet Eggs, but they contain a different pool of pets (Red Dragon, Unicorn, etc.) that are otherwise unobtainable from the shop.