In Pokémon Go, evolution is one of the most exciting moments — but also one of the most uncertain. You spend Stardust and Candy, evolve your Pokémon, and hope its Combat Power (CP) soars. But what if you could know the exact CP after evolution before evolving?
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That’s where the CP Evolution Calculator comes in!
This handy tool predicts your Pokémon’s new CP after evolution so you can plan ahead, save resources, and maximize your battle performance.
🧠 What Is a CP Evolution Calculator?
The CP Evolution Calculator is a smart tool that estimates how strong your Pokémon will become after evolving.
It calculates post-evolution CP using your Pokémon’s current:
- CP (Combat Power)
- Species
- IVs (Individual Values)
- Pokémon level
The calculator applies official evolution multipliers from Pokémon Go data to estimate new CP — so you can make evolution decisions confidently.
🧮 How CP Evolution Works in Pokémon Go
When a Pokémon evolves, its base stats (Attack, Defense, Stamina) change — often dramatically. The CP formula considers these changes to determine the new Combat Power.
Here’s how it works:
CP = (Attack × √Defense × √Stamina × (CPM)²) / 10
Since evolution affects a Pokémon’s base stats, the CP Evolution Calculator multiplies these stats by the known evolution ratio for each species.
For example:
- Pidgey → Pidgeotto has a 1.8× to 2.0× CP multiplier.
- Eevee → Vaporeon/Jolteon/Flareon can vary between 2.5×–3.3× CP.
This means your 500 CP Eevee could evolve into a Pokémon with CP anywhere from 1250 to 1650!
🔢 How to Use the CP Evolution Calculator
Follow these simple steps to predict your Pokémon’s evolved CP:
- Select Your Pokémon: Choose your Pokémon from the list (e.g., Eevee, Charmander, Machop).
- Enter Current CP: Input the current CP shown in your Pokémon Go app.
- Add IV Details (Optional): Enter your Pokémon’s IVs if you know them.
- Choose Evolution Stage: Select the evolution stage (e.g., 1st or 2nd evolution).
- Click “Calculate”: Instantly see the predicted CP range after evolution!
🧾 Example
Let’s take an Eevee with CP 500 and calculate its evolution CP for Vaporeon, Jolteon, and Flareon.
- Select Eevee.
- Enter 500 CP.
- Click Calculate.
✅ Results:
- Vaporeon: ~1575 CP
- Jolteon: ~1450 CP
- Flareon: ~1650 CP
You now know which Eeveelution will have the highest CP — without wasting Candy!
🎯 Key Features of Our CP Evolution Calculator
✔️ Instant CP Predictions – See evolved CP values instantly.
✔️ Covers All Pokémon Species – Works for all generations.
✔️ Accurate Multipliers – Based on real game evolution ratios.
✔️ Includes IV Option – Add more precision using IV stats.
✔️ Resource Saver – Avoid wasting Candy or Stardust.
✔️ PvP & Raid Insights – Know if evolution fits League limits.
💡 Why Use a CP Evolution Calculator?
- Plan Evolutions Efficiently: Know which Pokémon to evolve first.
- Save Candy & Stardust: Avoid unnecessary evolution waste.
- Build Stronger Battle Teams: Evolve Pokémon with the highest potential CP.
- Predict Multiple Evolutions: Compare 1st and 2nd evolution outcomes.
- Stay Competitive in PvP Battles: Keep evolved Pokémon under CP caps for Great and Ultra Leagues.
🧩 How Accurate Is the CP Evolution Calculator?
Our calculator uses official CP multipliers collected from player data and Niantic’s internal formulas.
Accuracy is typically within ±2% of real results — minor differences come from IV rounding and level variation.
🧠 Tips for Using the Calculator Effectively
✅ Always check IVs first — higher IV Pokémon gain more CP after evolution.
✅ Remember that Lucky Pokémon cost less Stardust to power up.
✅ If you’re planning Mega Evolutions later, note that base CP will increase even more.
✅ Don’t evolve Pokémon just for CP — movesets and typing matter too.
✅ For Eeveelutions, consider name tricks or special evolution items.
⚙️ Formula Behind CP Evolution Calculation
The CP Evolution Calculator applies this simplified formula:
New CP = Current CP × Evolution Multiplier
Each Pokémon species has a unique multiplier (for example, Charmander → Charmeleon ≈ 1.65×, Charmeleon → Charizard ≈ 1.7×).
When combined, these give a two-stage evolution multiplier of ~2.8×.
📊 Common Evolution Multipliers
| Pokémon | Evolved Form | CP Multiplier |
|---|---|---|
| Pidgey → Pidgeotto | 1.8× | |
| Charmander → Charmeleon | 1.65× | |
| Eevee → Vaporeon | 3.2× | |
| Machop → Machoke | 1.6× | |
| Magikarp → Gyarados | 10.0× |
As you can see, some evolutions (like Magikarp → Gyarados) have massive CP jumps!
🧭 When to Use the CP Evolution Calculator
- Before evolving Pokémon to check their CP potential
- Before spending Stardust or Candy
- When choosing between multiple Pokémon to evolve
- When preparing for PvP or Gym Battles
- To plan multi-stage evolution strategies
🧮 Advanced Features
- Multi-evolution prediction: See CP across multiple stages.
- IV integration: More accurate results with IV entry.
- League guide: Suggests if Pokémon will fit Great or Ultra League.
- Graph view: Visualizes CP growth after evolution.
⚔️ Real-Life Example
Imagine you caught two Machops:
- Machop A → 700 CP
- Machop B → 900 CP
At first glance, Machop B seems stronger — but if Machop A has perfect IVs, it might reach much higher CP after evolution.
The CP Evolution Calculator helps you identify this hidden potential, ensuring you evolve the best candidate.
🧩 Benefits of Using CP Evolution Calculator
| Benefit | Description |
|---|---|
| Accuracy | Uses real in-game evolution ratios. |
| Planning | Avoid wasting Candy on weak Pokémon. |
| PvP Prep | Stay under League CP caps. |
| Resource Management | Save Stardust & Candy. |
| Decision Clarity | Know which Pokémon to evolve first. |
❓ 20 Frequently Asked Questions (FAQs)
1. What does “CP” stand for?
Combat Power — it represents your Pokémon’s total strength.
2. What is a CP Evolution Calculator?
It predicts how much your Pokémon’s CP will increase after evolution.
3. How accurate are the results?
Typically within 2% of the actual post-evolution CP.
4. What data is used for calculations?
Official CP multipliers and IV-based formulas from Pokémon Go.
5. Can I use it for any Pokémon?
Yes, it supports all Pokémon species and generations.
6. Does it work for Mega Evolutions?
It gives estimates but actual Mega CP may vary slightly.
7. What’s the biggest CP jump after evolution?
Magikarp → Gyarados has one of the largest CP increases.
8. Does higher CP always mean better Pokémon?
Not always — movesets, IVs, and typing also matter.
9. Can I calculate multiple evolutions at once?
Yes, the tool supports multi-stage evolution prediction.
10. Does weather affect evolution CP?
No, weather only affects battle boosts, not CP stats.
11. Can I enter IVs manually?
Yes, adding IVs gives more accurate results.
12. What’s the evolution multiplier?
A number that defines how CP changes during evolution.
13. Are evolution multipliers fixed?
Yes, but they vary between species.
14. Should I evolve low CP Pokémon?
If they have good IVs — yes, they can become powerful after evolution.
15. Is the calculator free to use?
Yes, it’s completely free online.
16. Can it tell me which Pokémon to evolve first?
Yes, by comparing predicted CP values.
17. How often are multipliers updated?
Whenever new Pokémon generations are added.
18. Can I use this on mobile?
Yes, the calculator is mobile-friendly.
19. What’s a good CP for PvP leagues?
Great League ≤1500 CP, Ultra League ≤2500 CP.
20. Why is my evolved CP slightly different?
Minor variations occur due to rounding or IV differences.
🏁 Final Thoughts
The CP Evolution Calculator is an essential tool for every Pokémon Go trainer. It takes the guesswork out of evolution, helping you choose wisely, conserve resources, and build the strongest possible Pokémon team.