ACC Calculator

ACC Luck Calculator

Drop chance calculator for Anime Card Collection based on your luck stat and planned rolls

What is the Luck Calculator?

The ACC Luck Calculator helps you understand your real chances of getting rare cards in Anime Card Collection. By entering your card rarity, luck multiplier, and planned rolls, you can see your exact probability of success and plan your grinding sessions effectively.

How to Use This Calculator

1

Enter Card Rarity

Find the card's rarity in-game (e.g., "1 in 5000"). Enter the number after "1 in".

2

Set Your Luck Multiplier

Base luck is 1.0x. With potions or gamepasses, enter your boosted luck (e.g., 2.0 for double luck).

3

Enter Planned Rolls

How many times will you roll? Consider your potion duration and auto-roll speed.

4

Analyze Results

See your session success chance, rolls needed for 50%/90% probability, and expected copies.

ACC Luck Calculator
Quick presets:

How to enter values from the game

  • Card rarity (1 in X)

    Open the card details or pack info in Anime Card Collection. If it shows "1 in 5000", enter 5000 here.

  • Current luck multiplier

    Use the luck value shown in your UI. Base luck is 1.0. Potions, upgrades, and gamepasses increase this (e.g. 2x luck = 2.0).

  • Planned rolls

    How many times you plan to roll/click for this card in this session. For auto-roll, estimate how many rolls you will do while your potion is active.

Results
Single roll chance
0.1%
Effective odds
1 in 1,000
Chance to get at least one copy
9.52%
Expected copies
0
Rolls for 50% chance
693
Rolls for 90% chance
2,302

Example Calculations

Secret Card Hunt

Chasing a 1 in 10,000 secret card with 2x luck potion

Rarity:1 in 10,000
Luck:2.0x
Rolls:5,000

63.2% chance to get at least one copy

Legendary Grind

Farming a 1 in 1,000 legendary with 3x luck

Rarity:1 in 1,000
Luck:3.0x
Rolls:500

77.7% chance, need ~768 rolls for 90%

High Luck Event

5x luck event for a 1 in 5,000 card

Rarity:1 in 5,000
Luck:5.0x
Rolls:1,000

63.2% chance, only 2,303 rolls for 90%

Frequently Asked Questions

How many rolls do I need for a 50% chance?
Use our calculator! Generally, you need approximately 0.693 × (base_rarity ÷ luck_multiplier) rolls for a 50% chance. For example, a 1 in 5,000 card with 2x luck needs about 1,733 rolls for 50%.
What does "2x luck" actually mean?
2x luck doubles your base drop rate by dividing the rarity. If a card is 1 in 10,000, with 2x luck it becomes 1 in 5,000. This effectively halves the number of rolls needed.
Why can I still miss after many rolls?
Probability is not a guarantee. Even with 90% chance, 1 in 10 players will miss. Each roll is independent - past failures don't increase future chances. This is called the Gambler's Fallacy.
Is 90% chance a guarantee?
No. 90% probability means 1 in 10 players will still miss even after the calculated number of rolls. Always prepare for variance - some players get lucky early, others take longer.
Should I save rolls for better luck events?
Yes! If you can wait for a 3x luck event instead of using 2x luck, your rolls are 50% more efficient. Stack luck bonuses whenever possible for rare cards.
How do I compare two luck setups?
Enter both setups separately in the calculator and compare the "rolls for 90% chance" metric. The setup with fewer rolls needed is more efficient.
Does luck affect all card rarities equally?
Yes, luck multiplier applies to all rarity levels equally by dividing the base odds. A 2x luck boost helps equally whether you're hunting a 1 in 100 or 1 in 10,000 card.
What's the maximum luck possible in ACC?
The current maximum is around 5-6x luck when combining all available gamepasses, potions, and event bonuses. Check the game's current offerings for exact values.

Related Resources

Luck & Odds Guide

Deep dive into probability mechanics

Pack ROI Calculator

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Trade Calculator

Check if trades are fair

All Codes

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ACC Pack ROI Calculator•ACC Trade Calculator•All Codes
Anime Card Collection Luck Calculator (ACC) - Drop Rate Calculator