How to Calculate ASTM grain size number to Number of grains?
ASTM grain size number to Number of grains calculator uses Number of grains at M X = (2^(ASTM grain size number-1))*(100/Magnification)^2 to calculate the Number of grains at M X, ASTM grain size number to Number of grains per square inch at any magnification conversion is made by multiplying the number of grains at 100 X with the square of the ratio of 100 and that magnification. Number of grains at M X is denoted by N_{M} symbol.
How to calculate ASTM grain size number to Number of grains using this online calculator? To use this online calculator for ASTM grain size number to Number of grains, enter ASTM grain size number (n) & Magnification (m) and hit the calculate button. Here is how the ASTM grain size number to Number of grains calculation can be explained with given input values -> 1.5E+15 = (2^(5-1))*(100/0.66)^2.