Weight Calculator for Rods Round Rods A mm In Brass In Copper Kg Kg Weight per Meter = (A x A x 0.006676) Kg Square Rods A mm In Brass In Copper Kg Kg Weight per Meter = (A x A x 0.008500) Kg Rectangle Rods / Strips A B mm mm In Brass In Copper Kg Kg Weight per Meter = (A x B x 0.008500) Kg Hex Rods A mm In Brass In Copper Kg Kg Weight per Meter = (A x A x 0.007361) Kg