1”：wire dia.×wire dia.× l x w÷2= kg
1” x 1/2”：wire dia.× wire dia.× l x w÷4 x 3= kg
1/2”：wire dia.×wire dia.× l x w= kg
1/3”：wire dia.×wire dia.× l x w x 3 x 0.48= kg
1/4”：wire dia.× wire dia.× l x wx 2= kg
3/4”：wire dia.× wire dia.× l x w÷3 x 2= kg
3/8”：wire dia.× wire dia.× l x wx 1.35= kg
5/8”：wire dia.× wire dia.× l x w÷5 x 8÷2= kg
2” x 4”：wire dia.× wire dia.× l x w÷4 x 0.75= kg