Standard surface Factor Calculator

Enter the specific gravity of the material:
Weight w1:
Diameter d1:
Weight w2:
Diameter d2:
Weight w3:
Diameter d3:
Weight w4:
Diameter d4:
Standard surface Factor(ssf):

Standard Surface Factor(SSF) Formula

Standard surface Factor = [ (6 / s) * ( w1 / d1 + w2 / d2 + w3 / d3 + w4 / d4)]

where d - diameter, w - weight, s - specific gravity of the material. provides you helpful and handy calculator resources.