Mutation Probability Calculator

Calculate mutation probabilities with weather bonuses and parent mutations. Know your chances of getting rare mutations!

Calculator Input

๐Ÿ’ก Tip: If both parents have mutations, select both mutations for maximum accuracy.

Results

Fill in the form and click calculate to see results

How It Works

Select Weather

Choose the weather condition to get base mutation chance

Add Parent Mutations

Select mutations if parents have them to increase chances

Get Probabilities

See calculated mutation probabilities with detailed breakdown

Probability Formula

Final Probability = Base Probability + Weather Bonus + Parent Mutation Bonus

Base Probability

Each mutation has a base chance (e.g., Golden: 10%, Shiny: 8%)

Weather Bonus

Weather adds mutation chance (e.g., Rainy: +20%, Sunny: +20%)

Parent Mutation Bonus

If parents have mutations, probability increases significantly

Maximum Cap

Probabilities are capped at 100% maximum