Number of Gauge.

Thickness.

Weight.

Number of Gauge.

Approximate

Thickness in

Fractions of an Inch.

Approximate

Thickness in

Decimal Parts of an Inch.

Weight per Square Foot in Ounces Avoirdupois.

Weight per Square Foot in Pounds Avoirdupois.

0000000

1-2

.5

320

20.

0000000

000000

15-32

.46875

300

18.75

000000

00000

7-16

.4375

280

17.5

00000

0000

13-32

.40625

260

16.25

0000

000

3-8

.375

240

15.

000

00

11-32

.34375

220

13.75

00

0

5-16

.3125

200

12.5

0

1

9-32

.28125

180

11.25

1

2

17-64

.265625

170

10.625

2

3

1-4

.25

160

10.

3

4

15-64

.234375

150

9.375

4

5

7-32

.21875

140

8.75

5

6

13-64

.203125

130

8.125

6

7

3-16

.1875

120

7.5

7

8

11-64

.171875

110

6.875

8

9

5-32

.15625

100

6.25

9

10

9-64

.140625

90

5.625

10

11

1-8

.125

- 80

5.

11

12

7-64

.109375

70

4.375

12

13

3-32

.09375

60

3.75

13

14

5-64

.078125

50

3.125

14

15

9-128

.0703125

45

2.8125

15

16

1-16

.0625

40

2.5

16

17

9-160

.05625

36

2.25

17

18

1-20

.05

32

2.00

18

19

7-160

.04375

28

1.75

19

20

3-80

.0375

24

1.5

20

21

11-320

.034375

22

1.375

21

22

1-32

.03125

20

1.25

22

23

9-320

.028125

18

1.125

23

24

1-40

.025

16

1.

24

25

7-320

.021875

14

.875

25

26

3-160

.01875

12

.75

26

27

11-640

.0171875

11

.6875

27

28

1-64

.015625

10

.625

28

29

9-640

.0140625

9

.5625

29

30

1-80

.0125

8

.5

30

31

7-640

.0109375

7

.4375

31

32

13-1280

.01015625

6½

.40625

32

33

3-320

.009375

6

.375

33

34

11-1280

.00859375

5½

.34375

34

35

5-640

.0078125

5

.3125

35

36

9-1280

.00703125

4½

.28125

36

37

17-2560

.006640625

4¼

.265625

37

38

1-160

.00625

4

.25

38