The formula is:
Relative Centrifugal Force (RCF or Gvalue) = (11.18) x ( r ) x (n x n) x (10^{6})
Where: r = Centrifugal radius in cm (distance between rotational center and sample center); and n = revolutions per minute
So, for example:
If the radius were 10 cm, and the revolutions were 1900, the G force would be: (11.18) x (10) x (1900 x 1900) x (10^{6})
or:
(11.18) x (10) (3,610,000) x (10^{6})
or:
(403,598,000) x (10^{6})
or:
about 403.6 G.

To make life easier, we have included a centrifugation calculator to do the math for you!
Enter Rotation Speed in RPM and Centrifugal Radius in Centimeters
To Calculate RPM from Radius and RCF
To Calculate RCF from Radius and RPM

