Calculators // Tech Tools

Technical calculators and converters for airsoft

Create account to save your setup and calculations in profile.

Cylinder // Volume Ratio

Barrel Length (mm)

Bore Diameter

Cylinder Type

Barrel Vol.

10.37ml

Cylinder Vol.

28ml

Ratio

2.7:1

Status:

Optimal

Recommendation for 363mm barrel:

TYPE 1 (ratio: 2.23:1)

Optimal ratio: 1.8:1 - 2.8:1

ROF // Rate of Fire

Motor Preset

Motor RPM

Gear Ratio

Magazine Capacity

Rate of Fire

27.8

rounds/sec

Cycle Time

ms/round

RPM

1,667

Mag dump (120rd)

4.3s

HPA // High Pressure Air

Tank Size

Fill Pressure (PSI)

Regulator Output (PSI)

Air per shot (ml)

Shots/Fill

10,461

Midcaps

Games

~20

PSI → FPS Adjustment

Current FPS

PSI Change

New FPS

350

Approx. ±1.7 FPS per PSI

GBB Gas // Shots Estimator

Gas Type

Temperature

Mag Gas Capacity (ml)

Shots/Fill

~33

Efficiency

Optimal

Tip:Good operating conditions

Temperature Guide:

<10°C: Use CO2

10-15°C: Warm mags

15-25°C: Optimal

>30°C: Watch pressure