STUN/TOOLS

ShrinkPunch — Free Size-Change Physics Punch Calculator | Stuntools

Built with 🖤 for D&D fans & creators. Want more free tools for your table? Check out the full suite at Stuntools.com

How to Use

  1. 1.Enter the character's original height and new height (any units, just be consistent).
  2. 2.Enter the original punch force in pounds.
  3. 3.Choose the force scaling law — muscle power, mass impact, or magic (unchanged).
  4. 4.Click Calculate to see the new punch force and pressure multiplier.

Example Input

Original height: 6 New height: 0.5 Original force: 300 lb Scaling: Muscle power (∝ height²)

Expected Output

2.1 lb — Pressure is 1.0× original. Your tiny striker packs a much sharper punch.

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