G-Force Calculator

Calculate centrifugal G-force (RCF - Relative Centrifugal Force) from rotational speed and radius. Used for centrifuges, separators, rotating drums, and any spinning equipment.

Radius from center of rotation to the sample or material

1,510 G
Centrifugal Force
Very High G-Force
Acceleration --
Tangential Velocity --
Angular Velocity --
Frequency --

G-Force Reference by Application

ApplicationTypical G-Force
Vibrating Screens3 – 8 G
Hydrocyclones10 – 20 G
Basket Centrifuges300 – 800 G
Decanter Centrifuges500 – 4,000 G
Disc Centrifuges5,000 – 15,000 G
Lab Centrifuges3,000 – 30,000 G
Ultracentrifuges100,000 – 1,000,000 G

Formulas

G = (RPM)² × r × 1.118 × 10⁻⁵

Quick formula when r is in cm

G = ω²r / g = (4π²n²r) / g

General formula: ω = angular velocity (rad/s), n = frequency (Hz), g = 9.81 m/s²

RPM = √(G × 89,456 / r)

Reverse calculation when r is in cm