Volume-Weight Fraction and Density Calculator

This tool converts volume fractions to weight fractions (and vice versa) and calculates the overall density of a composite. Simply click and enter in one of either the reinforcement or matrix volume fraction or weight fraction (in %) and both reinforcement and matrix densities (in g/cm3) and click calculate. We have provided some approximate density data for common reinforcements and matrix materials for reference purposes.
 

Reinforcement                  Density (g/cm3)

E-Glass                                   2.56
Carbon                                   1.75-1.95 
Aramid (Kevlar 49)                 1.45

                                         
Matrix                                 Density (g/cm3)

Epoxy                                    1.1-1.4 
Polyester                               1.2-1.5 
Polyamide (Nylon 6.6)           1.14 
Polypropylene                        0.9 
PEEK                                      1.26-1.32