Pokémon Catch Rate Calculator
Pokemon Catch Rate Calculator works out Stat and Lowest possible IV from Level, Stat and Species base stat. The default figures on this page give capture probability of 19.753086 %; change any entry and the result, the working and the sources update together.
Your figures
Updates as you typeHow this is worked out
3 steps
- a = (3 x 30 - 2 x 1) / (3 x 30) x 45 x 1 x 1 = 44
- b = 1048560 / (16711680 / a)^(1/4) = 43690
- Capture probability = (b / 65535)^4 = 19.75%
Its 5 worked examples are re-run on every release, last on 15 September 2026. What changed
Sources and references
6 sources
What the Pokemon Catch Rate Calculator calculates
Computes Pokemon stats from base stats, IVs, EVs and nature, solves IV ranges, rolls Generation V+ damage, reads the type chart, derives Hidden Power, capture probability and Pokemon GO CP and IV percentage.
How to use this Pokemon Catch Rate Calculator
Enter Level, Stat, Species base stat and IV. Stat updates as you type. Change one figure at a time to see what drives the result.
How the result is worked out
Open “How this is worked out” beside the result for the step-by-step calculation behind Stat, Lowest possible IV and Highest possible IV.
The method follows Bulbapedia: Stat - Generation III onward formulas, Bulbapedia: Damage - Generation V onward, Bulbapedia: Type chart (Generation VI onward), Bulbapedia: Hidden Power - Calculation and Bulbapedia: Catch rate - Generation III/IV.
What you can compare
Change one input at a time to see how it affects Stat, Lowest possible IV and Highest possible IV. The inputs you can vary are Level, Stat, Species base stat, IV, EV and Nature effect.
Pokémon is a trademark of its owner. CalculatorFox is an independent website and is not affiliated with, endorsed by or connected to Pokémon; this calculator is a general estimate and the official figures are the ones published by Pokémon.
Results are general information, not financial, tax, legal, medical or engineering advice. Check any decision that matters with a qualified professional.
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Frequently asked questions
How can I calculate my Pokémon catch rate?
Computes Pokemon stats from base stats, IVs, EVs and nature, solves IV ranges, rolls Generation V+ damage, reads the type chart, derives Hidden Power, capture probability and Pokemon GO CP and IV percentage. Open “How this is worked out” beside the result to see each step for your own figures.
What is the formula for calculating catch rate?
Computes Pokemon stats from base stats, IVs, EVs and nature, solves IV ranges, rolls Generation V+ damage, reads the type chart, derives Hidden Power, capture probability and Pokemon GO CP and IV percentage. On this page it is computed from Level, Stat and Species base stat and shown as Stat, Lowest possible IV and Highest possible IV.
Which Poké Ball has a 100% catch rate?
Computes Pokemon stats from base stats, IVs, EVs and nature, solves IV ranges, rolls Generation V+ damage, reads the type chart, derives Hidden Power, capture probability and Pokemon GO CP and IV percentage. Put your own figures in above and the working updates beside the result. For scale, the default figures on this page give 19.753086 %.
Is Eternatus a 100% catch rate?
It needs Level, Stat, Species base stat, IV, EV and Nature effect. Nothing else is required, and the figures stay in your browser.
What information do I need for the Pokemon Catch Rate Calculator?
You need Level, Stat, Species base stat, IV, EV, Nature effect, Observed stat and Move base power. The page opens with default figures that give capture probability of 19.753086 %, so you can see the scale before entering your own.
What does this Pokemon Catch Rate Calculator show?
It shows Stat, Lowest possible IV, Highest possible IV, Possible IVs, Damage before modifiers, Minimum damage, Maximum damage and Average damage, with the working and any warnings for your entries.