How to Calculate Grain Fineness Number (GFN)?
Grain Fineness Number (GFN) calculator uses Grain fineness number=sum of product of factor and grams/Total mass of sand to calculate the Grain fineness number, The Grain Fineness Number (GFN) is the ratio of summation of product of sand retained in each sieve and respective multiplicative factor to the total amount of sand. Grain fineness number and is denoted by GFN symbol.
How to calculate Grain Fineness Number (GFN) using this online calculator? To use this online calculator for Grain Fineness Number (GFN), enter sum of product of factor and grams (ΣM_{i}f_{i}) and Total mass of sand (Σf_{i}) and hit the calculate button. Here is how the Grain Fineness Number (GFN) calculation can be explained with given input values -> 1 = 0.001/0.001.