SCALES            A: \  SCALES2 L.S.Z.

 MECHANICAL ENGINEER’S SCALE

•   INCH divided by 16

•  An Inch or portion of inch represents inch

•  3/4 size 1/ 2 size (half), 3/8 size, 1/4 size

ARCHITECT’S SCALE

•   INCH DIVIDED BY 12

•  An inch or a portion of inch represents a ft.

•  3, 1 1/2, 1, ¾, 1/2, 3/8, ¼, 3/16, 1/8, 3/32

  CIVIL ENGINEER’S SCALE

•  An inch divided by 10 (base 10)

•  An inch to represent 10 feet or more

•  10, 20, 30, 40, 50, 60

  METRIC SCALE

•   Based on meter (1 meter 39.37”)

•   1:1(mm), 1:20, 1:33 1/3, 1:40, 1:50, 1:80,

              1:100 (1”=25.4 mm)

Topics:   Open Divided vs. Full Divided   Combination Scale        Size vs. Scale