Calculators

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Building Upgrade

Compare a building's required resources against your saved warehouse and resource boxes.

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Chest Odds

Enter chest counts and see the odds for every possible prize.

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Chest Odds Calculator

Enter how many chests you have for each type. The green percentage shows the chance of getting that specific prize at least once after opening that many chests. The expected value shows the average number of times that prize outcome should appear over those openings.
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How Odds Are Calculated

  • Percentage chance: 1 - (1 - drop rate) ^ chest count.
  • Expected prizes: chest count x drop rate.
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Building Upgrade Calculator

This calculator uses your saved resources, HQ level, and Resource Choice Boxes from the HQ Roadmap warehouse. Complete the Resource Choice Boxes in that warehouse section for accurate box coverage.

Upgrade Requirements

Resource Coverage

Loading saved warehouse...
Enter required amounts to see the calculation.