Pokemon Run And Bun Calculator






Pokemon Run and Bun Calculator – Professional Damage & Speed Tool


Pokemon Run and Bun Calculator

Precise damage and speed calculations for hardcore nuzlockers.


Level of the attacking Pokemon (usually 100 for showdown or level cap for gym).


Current raw attacking stat including Natures/EVs.


Raw defense stat of the target.


The power of the move being used (e.g., Thunderbolt = 90).



Combined multiplier. (e.g., STAB 1.5x * Life Orb 1.3x = 1.95).


The maximum HP of the defending Pokemon.


Predicted Damage Range

0 – 0 HP
(0% – 0%)
HP Visualizer

Red: Guaranteed Damage | Yellow: Roll Potential

Base Damage: 0
Minimum Roll (85%): 0
Maximum Roll (100%): 0

Typical Run and Bun Speed Tier Check
Pokemon Base Speed Max Speed (Lv 100) Scarfed Speed
Sceptile 120 372 558
Garchomp 102 333 499
Blaziken 80 284 426
Snorlax 30 174 261

What is the Pokemon Run and Bun Calculator?

The pokemon run and bun calculator is a specialized utility designed for players of the notoriously difficult Emerald rom hack, “Run and Bun”. In this game, every single point of damage and every single speed stat point can be the difference between a successful gym battle and a wiped nuzlocke run. This calculator allows you to input specific stats derived from the game’s unique balancing to predict how your team will perform against boss encounters.

Who should use it? Primarily hardcore nuzlockers who need to “calc” their way through the game. In Run and Bun, the AI is optimized to exploit your weaknesses, making the pokemon run and bun calculator an essential tool for survival. A common misconception is that standard competitive calculators work perfectly for every rom hack; however, Run and Bun features specific level caps and modified base stats that require careful manual entry into a reliable pokemon run and bun calculator.

Pokemon Run and Bun Calculator Formula and Mathematical Explanation

The math behind the pokemon run and bun calculator follows the traditional generation-based damage formula, but emphasizes the impact of multipliers. The core formula used by the pokemon run and bun calculator is:

Damage = ((( (2 * Level / 5) + 2) * Power * (A / D)) / 50 + 2) * Multipliers

Where “A” is the effective Attack and “D” is the effective Defense. After the base damage is calculated, the pokemon run and bun calculator applies a random roll between 0.85 and 1.00.

Variable Meaning Unit Typical Range
Level Attacker’s Level Integer 1 – 100
Power Move’s Base Power Points 10 – 250
A / D Stat Ratio Ratio 0.1 – 10.0
Multipliers STAB, Items, Weather Decimal 0.25 – 8.0

Practical Examples (Real-World Use Cases)

Example 1: The Early Game Wallbreaker
Using the pokemon run and bun calculator, imagine your Level 20 Choice Banded Meditite using High Jump Kick (130 Power) against a Roxanne’s Nosepass. If your Attack is 50 and the opponent’s Defense is 60, the pokemon run and bun calculator reveals a guaranteed 2HKO, allowing you to plan your switch-ins safely.

Example 2: Surviving a Critical Hit
A defensive Slowbro at Level 100 with 400 HP and 300 Defense is facing a boosted Garchomp. By entering these values into the pokemon run and bun calculator, you can see if an Earthquake will “range” you (kill you only on a high damage roll). This helps you decide if you need to pivot to a Flying-type.

How to Use This Pokemon Run and Bun Calculator

Using the pokemon run and bun calculator is straightforward but requires precise data from your game state:

  1. Enter your current Pokemon’s Level into the first field of the pokemon run and bun calculator.
  2. Check your Summary screen for the raw Attack (or Special Attack) value and enter it.
  3. Input the opponent’s defensive stats. If playing Run and Bun, you can usually find these in the documentation provided by the hack creator.
  4. Select the move’s base power and type effectiveness within the pokemon run and bun calculator interface.
  5. Add multipliers: Multiply 1.5 if the move matches your type (STAB). Add 1.3 if holding a Life Orb or 1.5 for a Choice Band.
  6. Review the results to see the Min-Max damage range.

Key Factors That Affect Pokemon Run and Bun Calculator Results

  • Stat Stages: A single “Swords Dance” doubles your Attack, drastically changing the pokemon run and bun calculator output.
  • Held Items: Items like Choice Specs or Expert Belt provide invisible multipliers that the pokemon run and bun calculator must account for.
  • Weather Conditions: Rain and Sun provide a 1.5x boost to Water and Fire moves respectively, which is a major factor in the pokemon run and bun calculator.
  • Burn Status: Being burned halves your Physical Attack, which can turn a guaranteed OHKO into a 3HKO in the pokemon run and bun calculator.
  • Screens: Reflect and Light Screen halve the damage taken, doubling the survival time calculated by the pokemon run and bun calculator.
  • IVs and EVs: Since Run and Bun features optimized AI, their Pokemon often have 31 IVs and 252 EVs, which you must input accurately into the pokemon run and bun calculator for precision.

Frequently Asked Questions (FAQ)

1. Why does the pokemon run and bun calculator show a range instead of one number?

Damage in Pokemon has a “random roll” between 85% and 100%. The pokemon run and bun calculator shows both to help you prepare for the worst-case scenario.

2. Can this calculator account for Critical Hits?

Critical hits ignore negative stat stages and usually deal 1.5x damage. You can manually set the multiplier to 1.5 in the pokemon run and bun calculator to check “crit ranges”.

3. How accurate is the pokemon run and bun calculator for this specific hack?

While the formula is the same as Emerald, the stats in Run and Bun are modified. As long as you input the correct stats from the game, the pokemon run and bun calculator will be 100% accurate.

4. What is STAB in the pokemon run and bun calculator?

Same Type Attack Bonus. It gives a 1.5x multiplier if your Pokemon’s type matches the move’s type.

5. Does the pokemon run and bun calculator handle multi-hit moves?

For moves like Bullet Seed, calculate the damage for one hit and multiply the result by the number of hits expected.

6. Why am I doing less damage than the calculator suggests?

Check for factors like the opponent having “Intimidate” or “Reflect” active, which might not be entered into your pokemon run and bun calculator session.

7. Is Speed included in the pokemon run and bun calculator?

This specific tool focuses on damage, but we provide a speed tier table below to help you determine who moves first.

8. Can I use this for other ROM hacks?

Yes, the pokemon run and bun calculator logic applies to any Gen 3 through Gen 8 styled battle engine.

© 2023 Pokemon Strategy Hub. Not affiliated with Nintendo or Game Freak.


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