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Unit of Measure
1 2 

Thickness

Weight per Square Inch

Weight per Square Foot

3/16 N/A .0532 lb N/A 7.66 lb
1/4 N/A .0709 lb N/A 10.21 lb
5/16 N/A .0886 lb N/A 12.76 lb
3/8 N/A .1064 lb N/A 15.31 lb
7/16 N/A .1241 lb N/A 17.87 lb
1/2 N/A .1418 lb N/A 20.42 lb
9/16 N/A .1595 lb N/A 22.97 lb
5/8 N/A .1773 lb N/A 25.52 lb
11/16 N/A .1950 lb N/A 28.08 lb
3/4 N/A .2127 lb N/A 30.63 lb
7/8 N/A .2481 lb N/A 35.73 lb
1 N/A .2836 lb N/A 40.84 lb
1 1/8 N/A .3191 lb N/A 45.94 lb
1 1/4 N/A .3545 lb N/A 51.05 lb
1 3/8 N/A .3900 lb N/A 56.16 lb
1 1/2 N/A .4254 lb N/A 61.26 lb
1 5/8 N/A .4609 lb N/A 66.36 lb
1 3/4 N/A .4963 lb N/A 71.47 lb
1 7/8 N/A .5318 lb N/A 76.57 lb
2 N/A .5672 lb N/A 81.68 lb
2 1/8 N/A .6027 lb N/A 86.78 lb
2 1/4 N/A .6381 lb N/A 91.89 lb
2 1/2 N/A .7090 lb N/A 102.10 lb
2 3/4 N/A .7799 lb N/A 112.31 lb
3 N/A .8508 lb N/A 122.52 lb
3 1/4 N/A .9217 lb N/A 132.72 lb
3 1/2 N/A .9926 lb N/A 142.93 lb
3 3/4 N/A 1.0635 lb N/A 153.14 lb
4 N/A 1.1344 lb N/A 163.35 lb
4 1/4 N/A 1.2053 lb N/A 173.56 lb
4 1/2 N/A 1.2762 lb N/A 183.77 lb
5 N/A 1.4180 lb N/A 204.19 lb
5 1/2 N/A 1.5598 lb N/A 224.61 lb
6 N/A 1.7016 lb N/A 245.03 lb
6 1/2 N/A 1.8434 lb N/A 265.45 lb
7 N/A 1.9852 lb N/A 285.87 lb
7 1/2 N/A 2.1270 lb N/A 306.29 lb
8 N/A 2.2688 lb N/A 326.71 lb
8 1/2 N/A 2.4106 lb N/A 347.13 lb
9 N/A 2.5524 lb N/A 367.55 lb
10 N/A 2.8360 lb N/A 408.38 lb
12 N/A 3.4032 lb N/A 490.06 lb
12 1/2 N/A 3.5450 lb N/A 510.48 lb
13 N/A 3.6868 lb N/A 530.90 lb
13 1/2 N/A 3.8286 lb N/A 551.32 lb
14 N/A 3.9704 lb N/A 571.74 lb
14 1/2 N/A 4.1122 lb N/A 592.16 lb
15 N/A 4.2540 lb N/A 612.58 lb
15 1/2 N/A 4.3958 lb N/A 633.00 lb
16 N/A 4.5376 lb N/A 653.41 lb
Unit of Measure
1 2