Diameter |
Square |
Diameter |
Square |
Diameter |
Square |
---|---|---|---|---|---|
Inches |
Inches |
Inches |
Inches |
Inches |
Inches |
1 |
0.7854 |
5 |
19.6350 |
9 |
63.6170 |
1-1/8 |
0.9940 |
5-1/8 |
20.6290 |
9-1/8 |
65.3970 |
1-1/4 |
1.2272 |
5-1/4 |
21.6480 |
9-1/4 |
67.2010 |
1-3/8 |
1.4849 |
5-3/8 |
22.6910 |
9-3/8 |
69.0290 |
1-1/2 |
1.7671 |
5-1/2 |
23.7580 |
9-1/2 |
70.8820 |
1-5/8 |
2.0739 |
5-5/8 |
24.8500 |
9-5/8 |
72.7600 |
1-3/4 |
2.4053 |
5-3/4 |
25.9670 |
9-3/4 |
74.6620 |
1-7/8 |
2.7612 |
5-7/8 |
27.1090 |
9-7/8 |
76.5890 |
2 |
3.1416 |
6 |
28.2740 |
10 |
78.5400 |
2-1/8 |
3.5466 |
6-1/8 |
29.4650 |
10-1/8 |
80.5160 |
2-1/4 |
3.0761 |
6-1/4 |
30.6800 |
10-1/4 |
82.5160 |
2-3/8 |
4.4301 |
6-3/8 |
31.9190 |
10-3/8 |
94.5410 |
2-1/2 |
4.9087 |
6-1/2 |
33.1830 |
10-1/2 |
86.5900 |
2-5/8 |
5.4119 |
6-5/8 |
34.4720 |
10-5/8 |
88.6640 |
2-3/4 |
5.9396 |
6-3/4 |
35.7850 |
10-3/4 |
90.7630 |
2-7/8 |
6.4918 |
6-7/8 |
37.1220 |
10-718 |
92.8860 |
3 |
7.0686 |
7 |
38.4850 |
11 |
95.0330 |
3-1/8 |
7.6699 |
7 -1/8 |
39.8710 |
11-1/8 |
97.2050 |
3-1/4 |
8.2958 |
7-1/4 |
41.2820 |
11-1/4 |
99.4020 |
3-3/8 |
8.9462 |
7-318 |
42.7180 |
11-3/8 |
101.6200 |
3-1/2 |
9.6211 |
7-1/2 |
44.1790 |
11-1/2 |
103.8700 |
3-5/8 |
10.3210 |
7-518 |
45.6640 |
11-5/8 |
106.1400 |
3-3/4 |
11.0450 |
7-314 |
47.1730 |
11-3/4 |
108.4300 |
3-7/8 |
11.7930 |
7-7/8 |
48.7070 |
11-7/8 |
110.7500 |
4 |
12.5660 |
8 |
50.2650 |
12 |
113.1000 |
4-1/8 |
13.3640 |
8-1/8 |
51.8490 |
To obtain area for any other diameters, use this formula: Dia. X Dia. X .7854 |
|
4-1/4 |
14.1860 |
8-1/4 |
53.4560 |
||
4-3/8 |
15.0330 |
8-3/8 |
55.0880 |
||
4-1/2 |
15.9040 |
8-1/2 |
56.7 450 |
||
4-5/8 |
16.8000 |
8-5/8 |
58.4260 |
||
4-3/4 |
17.7210 |
8-3/4 |
30.1320 |
||
4-7/8 |
18.6650 |
8-718 |
61.8620 |
||
|