Free airsoft tools
Quick calculators to tune your replica, your HPA setup and your 3D prints. No sign-up, with the maths explained. Compare measurements before changing parts or choosing a new setup.
FPS ↔ joules
Convert FPS, m/s and joules for any BB weight and compare with the usual limits.
Open tool →HPA tank shots
How many shots and magazines your tank gives for your pressure, barrel and engine.
Open tool →Cylinder / barrel ratio
Air volume, suction or over-volume, and estimated FPS of an AEG.
Open tool →Inner barrel length
Usual lengths per replica, barrel volume and the air your cylinder needs.
Open tool →3D print cost
What printing a part really costs: filament, power and a failure margin.
Open tool →