Pokemon Calculator Ev

Pokémon EV Stat Calculator

Calculate the exact impact of Effort Values on your Pokémon's stats.

Look up your Pokémon's base stat.
Beneficial (+10%) Neutral (1.0x) Hindering (-10%)
Calculated Final Stat Value:
0

Understanding Pokémon EVs (Effort Values)

Effort Values, or EVs, are a core component of competitive Pokémon training. They represent the "training" your Pokémon receives. Unlike Base Stats (fixed for a species) or IVs (fixed at birth), EVs are earned through battling other Pokémon or using specialized items.

The 4-for-1 Rule

At Level 100, every 4 EVs you invest into a specific stat (HP, Attack, Defense, Special Attack, Special Defense, or Speed) increases that stat by exactly 1 point. Since a Pokémon can have a maximum of 252 EVs in a single stat, you can increase a stat by up to 63 points via training alone.

Key Constraints

  • Total EV Cap: A Pokémon can earn a maximum of 510 total EVs across all six stats.
  • Single Stat Cap: Since Generation VI, a single stat can hold a maximum of 252 EVs.
  • Nature Impact: Nature modifiers (like Adamant or Modest) apply after EVs and IVs are calculated, multiplying the final stat by 1.1x or 0.9x (this does not apply to the HP stat).

Example Calculation

Suppose you have a Level 100 Pokémon with a Base Attack of 100, 31 IVs, and 252 EVs with a Beneficial Nature (+10%):

  1. Base calculation: ((2 * 100) + 31 + (252 / 4)) = 294
  2. Add Level bonus: 294 + 5 = 299
  3. Apply Nature: 299 * 1.1 = 328 (always rounded down in-game).
function calculatePokemonStat() { var base = parseFloat(document.getElementById('baseStat').value); var level = parseFloat(document.getElementById('pokemonLevel').value); var iv = parseFloat(document.getElementById('individualValues').value); var ev = parseFloat(document.getElementById('effortValues').value); var nature = parseFloat(document.getElementById('natureMult').value); var isHP = document.getElementById('isHP').checked; if (isNaN(base) || isNaN(level) || isNaN(iv) || isNaN(ev)) { alert("Please enter valid numbers for all fields."); return; } // Clamp values if (iv > 31) iv = 31; if (ev > 252) ev = 252; if (level > 100) level = 100; var result = 0; // Pokémon Stat Formula logic if (isHP) { // HP Formula: floor(((2 * Base + IV + floor(EV / 4)) * Level) / 100) + Level + 10 // Shedinja exception is handled by general base stat but we'll stick to standard formula var innerHP = Math.floor((2 * base + iv + Math.floor(ev / 4)) * level / 100); result = innerHP + level + 10; // Special case: Shedinja (Base HP 1) always has 1 HP, but we assume user is looking at real stats if (base === 1) { result = 1; } } else { // Other Stats Formula: (floor(((2 * Base + IV + floor(EV / 4)) * Level) / 100) + 5) * Nature var innerStat = Math.floor((2 * base + iv + Math.floor(ev / 4)) * level / 100); result = Math.floor((innerStat + 5) * nature); } // Determine how much EVs added var evBonusAt100 = Math.floor(ev / 4); var actualBonus = Math.floor(evBonusAt100 * (level / 100)); document.getElementById('finalStatDisplay').innerText = result; document.getElementById('evImpactText').innerText = "At Level " + level + ", your " + ev + " EVs are providing roughly +" + actualBonus + " points to this stat."; document.getElementById('resultArea').style.display = 'block'; }

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