Clear Opening or Space

Wire or Rod Diameter

Plain Steel Weights lbs. Per Sq. ft.

Open Area %

Inches

MM

W&M Gauge

Inches

MM

2-3/8"

60.33

1/2

.500

12.70

5.65

68.2

7/16

.4375

11.11

4.42

71.2

3/8

.375

9.53

3.51

77.4

5/16

.3125

7.94

2.35

78.1

1

.283

7.19

1.95

79.8

3

.250

6.35

1.54

81.8

4

.225

5.72

1.25

83.4

5

.207

5.26

1.07

84.6

6

.192

4.88

0.93

85.6

7

.177

4.50

0.79

86.6

8

.162

4.12

0.67

87.6

9

.148

3.76

0.56

88.6

Clear Opening or Space

Wire or Rod Diameter

Plain Steel Weights lbs. Per Sq. ft.

Open Area %

Inches

MM

W&M Gauge

Inches

MM

2-1/2"

63.50

1

1.000

25.40

19.02

51.0

3/4

.750

19.05

11.37

59.2

11/16

.6875

17.46

9.91

61.5

5/8

.625

15.88

8.16

64.0

9/16

.5625

14.29

6.72

66.6

1/2

.500

12.70

5.41

69.4

7/16

.4375

11.11

4.22

72.4

3/8

.375

9.53

3.16

75.6

5/16

.3125

7.94

2.24

79.0

1

.283

7.19

1.85

80.7

3

.250

6.35

1.46

82.6

4

.225

5.72

1.19

84.2

5

.207

5.26

1.02

85.3

6

.192

4.88

0.88

86.2

7

.177

4.50

0.75

87.2

8

.162

4.12

0.63

88.2

9

.148

3.76

0.53

89.1

Clear Opening or Space

Wire or Rod Diameter

Plain Steel Weights lbs. Per Sq. ft.

Open Area %

Inches

MM

W&M Gauge

Inches

MM

2-5/8"

66.68

1/2

.500

12.70

5.51

71.2

7/16

.4375

11.11

4.31

74.3

3/8

.375

9.53

3.03

76.5

5/16

.3125

7.94

2.15

79.8

1

.283

7.19

1.78

81.5

3

.250

6.35

1.40

83.3

4

.225

5.72

1.14

84.8

5

.207

5.26

0.98

85.9

6

.192

4.88

0.84

86.8