Clear Opening
or Space,
Inches

Diameter of
Wire

Inches

Open
Area %

Weight - Pounds per Square Foot

Plain
Steel

Pure
Copper

80-20
Brass

Monel

4 x 4

1/2

73.0

3.58

4.06

3.96

4.02

4 x 4

7/16

81.3

2.77

3.14

3.06

3.11

4 x 4

3/8

83.6

2.07

2.35

2.29

2.32

4 x 4

5/16

86.0

1.45

1.64

1.60

1.63

4 x 4

1/4

88.6

.94

1.07

1.04

1.05

3 3/4 x 3 3/4

7/16

80.2

2.94

3.33

3.25

3.30

3 3/4 x 3 3/4

3/8

82.6

2.19

2.48

2.42

2.46

3 3/4 x 3 3/4

5/16

85.2

1.54

1.75

1.70

1.73

3 3/4 x 3 3/4

1/4

87.9

1.00

1.13

1.11

1.12

3 1/2 x 3 1/2

7/16

79.0

3.13

3.55

3.45

3.51

3 1/2 x 3 1/2

3/8

81.6

2.33

2.64

2.57

2.61

3 1/2 x 3 1/2

5/16

84.3

1.65

1.87

1.82

1.85

3 1/2 x 3 1/2

1/4

87.1

1.07

1.21

1.18

1.20

3 1/4 x 3 1/4

1/2

75.0

4.31

4.89

4.76

4.84

3 1/4 x 3 1/4

7/16

77.6

3.35

3.80

3.70

3.76

3 1/4 x 3 1/4

3/8

80.4

2.50

2.83

2.76

2.81

3 1/4 x 3 1/4

5/16

83.2

1.76

1.99

1.94

1.97

3 1/4 x 3 1/4

1/4

86.2

1.15

1.30

1.27

1.29

3 x 3

7/16

76.2

3.59

4.07

3.97

4.03

3 x 3

3/8

79.0

2.68

3.04

2.96

3.01

3 x 3

5/16

82.0

1.90

2.15

2.10

2.13

3 x 3

1/4

85.2

1.23

1.39

1.36

1.38

2 3/4 x 2 3/4

1/2

71.6

4.98

5.64

5.50

5.59

2 3/4 x 2 3/4

7/16

74.4

3.88

4.40

4.29

4.35

2 3/4 x 2 3/4

3/8

77.4

2.90

3.29

3.20

3.25

2 3/4 x 2 3/4

5/16

80.6

2.05

2.32

2.27

2.30

2 3/4 x 2 3/4

1/4

84.0

1.34

1.52

1.48

1.50

2 1/2 x 2 1/2

7/16

72.4

4.22

4.78

4.66

4.73

2 1/2 x 2 1/2

3/8

75.6

3.16

3.58

3.49

3.55

2 1/2 x 2 1/2

5/16

79.0

2.24

2.54

2.48

2.51

2 1/2 x 2 1/2

1/4

82.6

1.46

1.65

1.61

1.64

2 1/4 x 2 1/4

7/16

70.1

4.62

5.24

5.11

5.18

2 1/4 x 2 1/4

3/8

73.4

3.46

3.92

3.82

3.88

2 1/4 x 2 1/4

5/16

77.1

2.46

2.79

2.72

2.76

2 1/4 x 2 1/4

1/4

81.0

1.61

1.82

1.78

1.81

2 1/4 x 2 1/4

.225

82.6

1.31

1.48

1.45

1.47

2 1/4 x 2 1/4

.207

83.9

1.12

1.27

1.24

1.26

2 x 2

1/2

64.0

6.53

7.40

7.22

7.33

2 x 2

7/16

67.3

5.11

5.79

5.65

5.73

2 x 2

3/8

70.9

3.84

4.35

4.24

4.31

2 x 2

5/16

74.8

2.73

3.09

3.02

3.06

2 x 2

1/4

79.0

1.79

2.03

1.98

2.01

2 x 2

.225

80.8

1.46

1.65

1.61

1.64

2 x 2

.207

82.1

1.25

1.42

1.38

1.40

2 x 2

.192

83.2

1.08

1.22

1.19

1.21

Clear Opening
or Space,
Inches

Diameter of
Wire

Inches

Open
Area %

Weight - Pounds per Square Foot

Plain
Steel

Pure
Copper

80-20
Brass

Monel

1 3/4 x 1 3/4

1/2

60.5

7.29

8.26

8.06

8.18

1 3/4 x 1 3/4

7/16

64.0

5.71

6.47

6.31

6.41

1 3/4 x 1 3/4

3/8

67.8

4.30

4.87

4.75

4.82

1 3/4 x 1 3/4

5/16

71.9

3.07

3.48

3.37

3.44

1 3/4 x 1 3/4

1/4

76.6

2.02

2.29

2.23

2.27

1 3/4 x 1 3/4

.225

78.5

1.65

1.78

1.82

1.85

1 3/4 x 1 3/4

.207

80.0

1.41

1.60

1.56

1.58

1 3/4 x 1 3/4

.192

51.2

1.22

1.38

1.35

1.37

1 3/4 x 1 3/4

.177

82.5

1.04

1.18

1.15

1.17

1 1/2 x 1 1/2

1/2

56.3

8.25

9.35

9.12

9.26

1 1/2 x 1 1/2

7/16

59.9

6.48

7.35

7.16

7.27

1 1/2 x 1 1/2

3/8

64.0

4.90

5.55

5.41

5.50

1 1/2 x 1 1/2

5/16

68.5

3.50

3.97

3.87

3.93

1 1/2 x 1 1/2

1/4

73.4

2.31

2.62

2.55

2.59

1 1/2 x 1 1/2

.225

75.6

1.89

2.144

2.09

2.12

1 1/2 x 1 1/2

.207

77.2

1.62

1.84

1.79

1.82

1 1/2 x 1 1/2

.192

78.6

1.40

1.59

1.55

1.57

1 1/2 x 1 1/2

.177

80.0

1.20

1.36

1.33

1.35

1 3/8 x 1 3/8

1/2

53.8

8.83

10.01

9.76

9.91

1 3/8 x 1 3/8

7/16

57.6

6.95

7.88

7.68

7.80

1 3/8 x 1 3/8

3/8

61.7

5.26

5.96

5.81

5.90

1 3/8 x 1 3/8

5/16

66.4

3.77

4.27

4.17

4.23

1 3/8 x 1 3/8

1/4

71.6

2.49

2.82

2.75

2.79

1 3/8 x 1 3/8

.225

73.9

2.04

2.31

2.25

2.29

1 3/8 x 1 3/8

.207

75.6

1.75

1.98

1.93

1.96

1 3/8 x 1 3/8

.192

77.0

1.52

1.72

1.68

1.71

1 3/8 x 1 3/8

.177

78.5

1.30

1.47

1.44

1.46

1 3/8 x 1 3/8

.162

80.0

1.10

1.25

1.22

1.23

1 3/8 x 1 3/8

.135

82.92

.78

.87

.84

.86

1 3/8 x 1 3/8

.120

84.59

.62

.70

.68

.69

1 1/4 x 1 1/4

5/16

64.0

4.08

4.62

4.51

4.58

1 1/4 x 1 1/4

1/4

69.4

2.70

3.06

2.98

3.03

1 1/4 x 1 1/4

.225

71.8

2.22

2.52

2.45

2.49

1 1/4 x 1 1/4

.207

73.6

1.90

2.15

2.10

2.13

1 1/4 x 1 1/4

.192

75.1

1.65

1.87

1.82

1.85

1 1/4 x 1 1/4

.177

76.7

1.42

1.61

1.57

1.59

1 1/4 x 1 1/4

.162

78.4

1.20

1.36

1.33

1.35

1 1/4 x 1 1/4

.148

79.9

1.01

1.14

1.12

1.13

1 1/4 x 1 1/4

.135

81.4

.85

.96

.94

.95

1 1/4 x 1 1/4

.120

83.2

.68

.77

.75

.76

1 1/8 x 1 1/8

1/4

66.9

2.96

3.36

3.27

3.32

1 1/8 x 1 1/8

.225

69.4

2.43

2.75

2.69

2.73

1 1/8 x 1 1/8

.207

71.3

2.08

2.36

2.30

2.33

1 1/8 x 1 1/8

.192

73.0

1.81

2.05

2.00

2.03

1 1/8 x 1 1/8

.177

74.7

1.55

1.76

1.71

1.74

1 1/8 x 1 1/8

.162

76.4

1.32

1.50

1.46

1.48

1 1/8 x 1 1/8

.148

78.1

1.11

1.26

1.23

1.25

1 1/8 x 1 1/8

.135

79.7

.93

1.05

1.03

1.04

1 1/8 x 1 1/8

.120

81.65

.74

.84

.81

.82

1 1/8 x 1 1/8

.109

83.66

.58

.66

.64

.65

Clear Opening
or Space,
Inches

Diameter of
Wire

Inches

Open
Area %

Weight - Pounds per Square Foot

Plain
Steel

Pure
Copper

80-20
Brass

Monel

1 x 1

1/4

64.0

3.26

3.70

3.60

3.66

1 x 1

.225

66.6

2.69

3.05

2.97

3.02

1 x 1

.207

68.6

2.31

2.62

2.55

2.59

1 x 1

.192

70.4

2.01

2.28

2.22

2.26

1 x 1

.177

72.2

1.72

1.95

1.90

1.93

1 x 1

.162

74.0

1.46

1.65

1.61

1.64

1 x 1

.148

75.9

1.23

1.39

1.36

1.38

1 x 1

.135

77.6

1.04

1.18

1.15

1.17

1 x 1

.120

79.7

.83

.94

.92

.93

7/8 x 7/8

7/16

44.4

9.84

11.15

10.87

11.04

7/8 x 7/8

3/8

49.0

7.52

8.52

8.31

8.44

7/8 x 7/8

5/16

54.3

5.44

6.17

6.01

6.10

7/8 x 7/8

1/4

60.5

3.64

4.13

4.02

4.08

7/8 x 7/8

.225

63.3

3.01

3.41

3.33

3.38

7/8 x 7/8

.207

65.3

2.58

2.92

2.85

2.89

7/8 x 7/8

.192

67.2

2.25

2.55

2.49

2.52

7/8 x 7/8

.177

69.2

1.93

2.19

2.13

2.17

7/8 x 7/8

.162

71.2

1.64

1.86

1.81

1.84

7/8 x 7/8

.148

73.5

1.38

1.56

1.53

1.55

3/4 x 3/4

.105

76.95

.83

3/4 x 3/4

.080

81.65

.50

3/4 x 3/4

1/4

56.3

4.12

4.67

4.55

4.62

3/4 x 3/4

.225

59.2

3.41

3.87

3.77

3.83

3/4 x 3/4

.207

61.4

2.93

3.32

3.24

3.29

3/4 x 3/4

.192

63.4

2.56

2.90

2.83

2.87

3/4 x 3/4

.177

65.5

2.20

2.49

2.43

2.47

3/4 x 3/4

.162

67.6

1.87

2.12

2.07

2.10

3/4 x 3/4

.148

69.8

1.58

1.79

1.75

1.77

3/4 x 3/4

.135

71.8

1.33

1.51

1.47

1.49

3/4 x 3/4

.120

74.3

1.07

1.21

1.18

1.20

5/8 x 5/8

3/8

39.1

9.61

10.89

10.62

10.78

5/8 x 5/8

5/16

44.4

7.03

7.97

7.77

7.89

5/8 x 5/8

1/4

51.0

4.76

5.40

5.26

5.34

5/8 x 5/8

.225

54.0

3.94

4.47

4.35

4.42

5/8 x 5/8

.207

56.4

3.40

3.85

3.76

3.81

5/8 x 5/8

.192

58.5

2.97

3.37

3.28

3.33

5/8 x 5/8

.177

60.7

2.56

2.90

2.83

2.87

5/8 x 5/8

.162

63.1

2.18

2.47

2.41

2.45

5/8 x 5/8

.148

65.4

1.85

2.10

2.04

2.08

5/8 x 5/8

.135

67.6

1.56

1.77

1.72

1.75

5/8 x 5/8

.120

70.3

1.25

1.42

1.38

1.40

5/8 x 5/8

.105

73.4

.98

1.11

1.08

1.10

Clear Opening
or Space,
Inches

Diameter of
Wire

Inches

Open
Area %

Weight - Pounds per Square Foot

Plain
Steel

Pure
Copper

80-20
Brass

Monel

1/2 x 1/2

3/8

32.7

11.19

12.68

12.37

12.56

1/2 x 1/2

5/16

37.9

8.24

9.34

9.11

9.25

1/2 x 1/2

1/4

44.4

5.62

6.37

6.21

6.31

1/2 x 1/2

.225

47.5

4.68

5.30

5.17

5.25

1/2 x 1/2

.207

49.8

4.04

4.58

4.46

4.53

1/2 x 1/2

.192

52.2

3.54

4.01

3.91

3.97

1/2 x 1/2

.177

54.5

3.06

3.47

3.38

3.43

1/2 x 1/2

.162

57.1

2.61

2.96

2.88

2.93

1/2 x 1/2

.148

59.5

2.22

2.52

2.45

2.49

1/2 x 1/2

.135

62.0

1.88

2.13

2.08

2.11

1/2 x 1/2

.120

65.0

1.51

1.71

1.67

1.69

1/2 x 1/2

.105

68.3

1.18

1.34

1.30

1.32

7/16 x 7/16

.080

74.23

.71

7/16 x 7/16

1/4

40.5

6.19

7.02

6.84

6.95

7/16 x 7/16

.225

43.6

5.16

5.85

5.70

5.79

7/16 x 7/16

.207

46.0

4.47

5.07

4.94

5.02

7/16 x 7/16

.192

48.3

3.92

4.44

4.33

4.40

7/16 x 7/16

.177

50.7

3.40

3.85

3.76

3.81

7/16 x 7/16

.162

53.2

2.90

3.29

3.20

3.25

7/16 x 7/16

.148

55.8

2.47

2.80

2.73

2.77

7/16 x 7/16

.135

58.4

2.09

2.37

2.31

2.34

7/16 x 7/16

.120

61.5

1.69

1.92

1.87

1.90

7/16 x 7/16

.105

65.0

1.33

1.51

1.47

1.49

3/8 x 3/8

5/16

29.7

9.99

11.32

11.04

11.21

3/8 x 3/8

1/4

36.0

6.89

7.81

7.61

7.73

3/8 x 3/8

.225

39.0

5.77

6.54

6.38

6.47

3/8 x 3/8

.207

41.5

5.00

5.67

5.53

5.61

3/8 x 3/8

.192

43.8

4.39

4.98

4.85

4.93

3/8 x 3/8

.177

46.1

3.82

4.33

4.22

4.29

3/8 x 3/8

.162

48.7

3.27

3.71

3.61

3.67

3/8 x 3/8

.148

51.4

2.79

3.16

3.08

3.13

3/8 x 3/8

.135

54.1

2.37

2.69

2.62

2.66

3/8 x 3/8

.120

57.4

1.92

2.18

2.12

2.15

3/8 x 3/8

.105

61.0

1.51

1.71

1.67

1.69

3/8 x 3/8

.092

64.5

1.18

1.34

1.30

1.32

5/16 x 5/16

1/4

30.9

7.78

8.82

8.60

8.73

5/16 x 5/16

.225

33.8

6.53

7.40

7.22

7.33

5/16 x 5/16

.207

36.2

5.68

6.44

6.28

6.37

5/16 x 5/16

.192

38.4

5.00

5.67

5.53

5.61

5/16 x 5/16

.177

40.8

6.36

4.94

4.82

4.89

5/16 x 5/16

.162

43.4

3.74

4.24

4.13

4.20

5/16 x 5/16

.148

46.0

3.20

3.63

3.54

3.59

5/16 x 5/16

.135

48.8

2.72

3.08

3.01

3.05

5/16 x 5/16

.120

52.2

2.21

2.51

2.44

2.48

5/16 x 5/16

.105

56.0

1.74

1.97

1.92

1.95

5/16 x 5/16

.092

59.6

1.37

1.55

1.51

1.54

5/16 x 5/16

.080

63.4

1.07

1.21

1.18

1.20

Plain
Steel

Pure
Copper

80-20
Brass

Monel