Pokemon Evolution Calculator

Plan your next step in the journey to becoming a Pokemon Master by estimating post-evolution stats.

Typical Multipliers: Charmeleon (1.7), Ivysaur (1.6), Wartortle (1.5).

Forecasted CP: --

Note: Multipliers are averages. Use appraisal for precise IV-based calculations.

The Trainer's Guide to Strategic Pokemon Evolution

In the vast world of Pokemon GO, evolution is more than just a visual transformation—it is the primary way to unlock the true potential of your roster. Every trainer faces the same dilemma: Which Pokemon should I evolve? When is the best time to spend my hard-earned candy? Our Pokemon Evolution Calculator is designed to answer these questions with clinical precision, helping you forecast the results of your investments before you ever hit the "Evolve" button.

How Evolution Impacts Combat Power (CP)

Evolution fundamentally changes a Pokemon's base stats (Attack, Defense, and Stamina). Because these base stats are used in the game's CP formula, a Pokemon's Combat Power usually increases significantly upon evolution. The amount of increase is determined by the Evolution Multiplier, which is the ratio of the evolved form's base stats to the pre-evolved form's base stats.

For example, a high-multiplier Pokemon like Magikarp (roughly 10x multiplier) sees a massive jump when becoming Gyarados. Conversely, a Pokemon like Metapod has a much lower multiplier because it is mid-evolution. Understanding these ratios allows you to prioritize Pokemon that will reach relevant CP brackets for raids or PvP without wasting resources.

Strategic Timing: The "Lucky" and "Shadow" Factors

Before you use the calculator, consider the "state" of your Pokemon. Evolution is permanent, so ensure you are evolving the right candidate:

  • Lucky Pokemon: These require 50% less Stardust to power up. If you have a Lucky version of a Pokemon, it is often a prime candidate for evolution even if its CP starts lower than others in your storage.
  • Shadow Pokemon: While they cost more candy to evolve and more stardust to power up, their 20% Attack bonus makes them the strongest attackers in the game. Use the calculator to see if the evolved CP will make it a viable raid attacker.
  • Purified Pokemon: Purifying a shadow Pokemon increases its IVs by +2 in every stat and reduces the cost of evolution. This can be a strategic way to get a "Hundo" (100% IV) for your collection.

The Multiplier Chart: A Quick Reference

While our calculator handles the math, it helps to know the general ranges for popular species. These multipliers are averages; the actual result is influenced by the Pokemon's specific IV distribution.

Species Evolution Multiplier Range
Dratini Dragonair 1.80 - 1.85
Dragonair Dragonite 2.00 - 2.10
Machoke Machamp 1.50 - 1.70
Rhyhorn Rhydon 1.90 - 2.05
Rhydon Rhyperior 1.40 - 1.50

Candy Management and Optimization

Candy is the lifeblood of evolution. Managing this resource effectively distinguishes expert trainers from casual players. Here are some tips for optimizing your candy usage:

1. Harvesting Candy

Don't just rely on catches. Use Pinap Berries to double the candy received from each catch. Transferring unwanted Pokemon during "Double Transfer Candy" events (usually occurring monthly) is another way to maximize your bag's value.

2. Rare Candy Usage

Rare Candies should be reserved for Legendary or Mythical Pokemon. Since these species require 20km of walking to earn a single Buddy Candy, using Rare Candy on them provides the best "return on investment." Do not waste Rare Candy on common species that you can find in the wild.

3. Buddy walking

Set the Pokemon you intend to evolve as your Buddy. Not only do you earn candy, but you also increase your "Buddy Level," which eventually grants a CP boost when that Pokemon is active as your Buddy.

The Importance of Individual Values (IVs)

While the calculator predicts the CP, you must use the in-game Appraisal Tool to check the IVs. Evolution does not change IVs. A 15/15/15 Ivysaur will remain a 15/15/15 Venusaur. High IVs are critical because they dictate the "ceiling" of a Pokemon. A high-IV Pokemon at Level 30 may have the same CP as a low-IV Pokemon at Level 35, but the high-IV one has more potential to grow.

Evolution Items: The Hidden Gatekeepers

Some evolutions require more than just candy. You may need specific stones or items obtained from Pokestops or research tasks:

  • Sinnoh Stone: Required for many Generation 4 evolutions (like Electivire and Togekiss).
  • Unova Stone: Needed for Generation 5 favorites (like Chandelure).
  • Kings Rock / Metal Coat / Dragon Scale / Sun Stone: Used for specific branch evolutions from earlier generations.

Preparing for the Meta: Raid vs. PvP

Your goal for evolution should dictate your choice of candidate. In Raids, high Attack is everything. You want your Pokemon to deal as much damage as possible before fainting. In PvP (GO Battle League), stats are often more nuanced. For the 1500 CP Great League, many top-tier trainers look for "low Attack, high Defense" IVs to maximize the Pokemon's level and overall durability within the CP cap.

Advanced Math: The Floor and Ceiling of Evolution

The math behind our calculator uses the following simplified model:

Evolved CP ≈ Current CP × (BaseStats_Evolved / BaseStats_Unevolved)

Because the Level and IVs are constant factors in both the numerator and denominator, they "cancel out" in a rough estimation, leaving the ratio of base species stats as the dominant multiplier. However, because the game Uses a Floor function (rounding down), the exact result can vary by a few points.

Conclusion: Your Path to Power

Evolution is the defining moment in a Pokemon's development. By using our Pokemon Evolution Calculator, you are taking a data-driven approach to your training. Don't leave your stardust and candy to chance—forecast your results, appraise your candidates, and build a team that will stand the test of time in any arena. Whether you are aiming for a full Pokedex or a top-tier raiding team, your journey starts with a single, well-planned evolution.