FPS to Joules Calculator
This airsoft energy calculator instantly converts between feet-per-second (FPS) velocity and muzzle energy in Joules based on BB weight. Choose your BB weight, enter either FPS or Joules, and the calculator updates both values automatically. Ideal for players who need to check if their replica meets field regulations or compare performance with different BB weights. Simple, accurate, and tailored for safe gameplay.
FPS ↔ Joules Energy Calculator ⚡
Convert between airsoft FPS and muzzle energy (Joules). Enter either FPS or Joules along with BB weight.
FPS: —
BB Weight: —
Energy (Joules): —
Formulas: J = 0.5 × m(kg) × v²; FPS = √(2 × J ÷ m(kg)) ÷ 0.3048