CIRCUMFERENCE AND AREA OF CIRCLES 1/16 INCH TO 8 7/8 INCHES
Diameter  in Inches Circumference in Circumference in
Ft. In. Area   Sq. Ft. Diameter in Inches Ft. In. Area   Sq. Ft.
1/16   13/16   4 1 9/16 .0873
1/8   25/64   4-1/8 1 15/16 .0928
3/16   19/32   4-1/4 1 1-5/16 .0985
1/4   25/32   4-3/8 1 1-11/16 .1044
5/16   63/64   4-1/2 1 2-1/8 .1104
3/8   11/64   4-5/8 1 2-1/2 .1167
7/16   1-3/8   4-3/4 1 2-7/8 .1230
        4-7/8 1 3-5/16 .1297
1/2   1-37/64          
9/16   1-49/64   5 1 3-11/16 .1364
5/8   1-15/16   5-1/8 1 4-1/16 .1433
11/16   2-5/32   5-1/4 1 4-7/16 .1503
3/4   2-23/64   5-3/8 1 4-7/8 .1575
13/16   2-35/64   5-1/2 1 5-1/4 .1650
7/8   2-3/4   5-5/8 1 .1726 .1726
15/16   2-15/16   5-3/4 1 .1803 .1803
        5-7/8 1 .1883 .1883
1   3-9/64 .0055 6 1 6-13/16 .1964
1-1/8   3-1/2 .0066 6-1/8 1 7-3/16 .2046
1-1/4   3-7/8 .0085 6-1/4 1 7-5/8 .2131
1-3/8   4-5/16 .0103 6-3/8 1 8 .2217
1-1/2   4-11/16 .0123 6-1/2 1 8-3/8 .2304
1-5/8   5-1/16 .0144 6-5/8 1 8-3/4 .2394
1-3/4   5-7/16 .0167 6-3/4 1 9-3/16 .2485
1-7/8   5-7/8 .0192 6-7/8 1 9-9/16 .2578
               
2   6-1/4 .0218 7 1 9-15/16 .2673
2-1/8   6-5/8 .0246 7-1/8 1 10-3/8 .2763
2-1/4   7 .0276 7-1/4 1 10-3/4 .2867
2-3/8   7-7/16 .0308 7-3/8 1 11-1/8 .2966
2-1/2   7-13/16 .0341 7-1/2 1 11-1/2 .3068
2-5/8   8-3/16 .0376 7-5/8 1 11-15/16 .3164
2-3/4   8-5/8 .0412 7-3/4 2 5/16 .3275
2-7/8   9 .0451 7-7/8 2 11/16 .3382
               
3   9-3/8 .0491 8 2 1-1/8 .3491
3-1/8   9-13/16 .0533 8-1/8 2 1-1/2 .3601
3-1/4   10-3/16 .0576 8-1/4 2 1-7/8 .3712
3-3/8   10-9/16 .0621 8-3/8 2 2-1/4 .3826
3-1/2   10-15/16 .0668 8-1/2 2 2-11/16 .3941
3-5/8   11-3/8 .0717 8-5/8 2 3-1/8 .4057
3-3/4   11-3/4 .0767 8-3/4 2 3-7/16 .4176
3-7/8 1 1/8 .0819 8-7/8 2 3-7/8 .4296

 

CIRCUMFERENCE AND AREA OF CIRCLES 9 INCH TO 22 7/8 INCHES
Diameter  in Inches Circumference in Area   Sq. Ft. Diameter  in Inches Circumference in Area   Sq. Ft.
Ft. In. Ft. In.
9 2 4-1/4 .4418 16 4 2-1/4 1.396
9-1/8 2 4-5/8 .4541 16-1/8 4 2-5/8 1.418
9-1/4 2 5 .4667 16-1/4 4 3 1.440
9-3/8 2 5-7/16 .4794 16-3/8 4 3-7/16 1.463
9-1/2 2 5-13/16 .4922 16-1/2 4 3-13/16 1.485
9-5/8 2 6-3/16 .5053 16-5/8 4 4-1/4 1.508
9-3/4 2 5/8 .5185 16-3/4 4 4-5/8 1.530
9-7/8 2 7 .5319 16-7/8 4 5 1.553
               
10 2 7-3/8 .5454 17 4 5-3/8 1.576
10-1/8 2 7-3/4 .5591 17-1/8 4 5-3/4 1.599
10-1/4 2 8-3/16 .5730 17-1/4 4 6-3/16 1.623
10-3/8 2 8-9/16 .5871 17-3/8 4 6-9/16 1.647
10-1/2 2 8-7/16 .6013 17-1/2 4 6-15/16 1.670
10-5/8 2 9-3/8 .6157 17-5/8 4 7-5/16 1.694
10-3/4 2 9-3/4 .6303 17-3/4 4 7-3/4 1.712
10-7/8 2 10-1/8 .6450 17-7/8 4 8-1/8 1.743
               
11 2 10-1/2 .6600 18 4 8-1/2 1.767
11-1/8 2 10-15/16 .6750 18-1/8 4 8-15/16 1.792
11-1/4 2 11-5/16 .6902 18-1/4 4 9-5/16 1.817
11-3/8 2 11-11/16 .7057 18-3/8 4 9-3/4 1.842
11-1/2 3 1/8 .7213 18-1/2 4 10-1/16 1.866
11-5/8 3 1/2 .7371 18-5/8 4 10-1/2 1.892
11-3/4 3 7/8 .7530 18-3/4 4 10-7/8 1.918
11-7/8 3 1-1/4 .7690 18-7/8 4 11-1/4 1.943
               
12 3 1-11/16 .7354 19 4 11-5/8 1.968
12-1/8 3 2-1/16 .8019 19-1/8 5 1/16 1.995
12-1/4 3 2-7/16 .8185 19-1/4 5 7/16 2.021
12-3/8 3 2-7/8 .8353 19-3/8 5 13/16 2.047
12-1/2 3 3-1/4 .8523 19-1/2 5 1-1/4 2.074
12-5/8 3 3-5/8 .8694 19-5/8 5 1-5/8 2.100
12-3/4 3 4 .8867 19-3/4 5 2 2.127
12-7/8 3 4-7/16 .9041 19-7/8 5 2-3/8 2.154
               
13 3 4-13/16 .9218 20 5 2-13/16 2.181
13-1/8 3 5-3/16 .9396 20-1/8 5 3-3/16 2.209
13-1/4 3 5-5/8 .9576 20-1/4 5 3-9/15 2.237
13-3/8 3 6 .9757 20-3/8 5 4 2.264
13-1/2 3 6-3/8 .9940 20-1/2 5 4-3/8 2.292
13-5/8 3 6-3/4 1.013 20-5/8 5 4-3/4 2.320
13-3/4 3 7-3/16 1.031 20-3/4 5 5-3/16 2.348
13-7/8 3 7-9/16 1.050 20-7/8 5 5-9/16 2.377
               
14 3 7-15/16 1.069 21 5 5-15/16 2.405
14-1/8 3 8-3/8 1.088 21-1/8 5 6-3/8 2.434
14-1/4 3 8-3/4 1.108 21-1/4 5 6-3/4 2.463
14-3/8 3 9-1/8 1.127 21-3/8 5 7-1/8 2.492
14-1/2 3 9-1/2 1.147 21-1/2 5 7-1/2 2.521
14-5/8 3 9-15/16 1.167 21-5/8 5 7-7/8 2.551
14-3/4 3 10-5/16 1.187 21-3/4 5 8-5/16 2.580
14-7/8 3 10-11/16 1.207 21-7/8 5 8-11/16 2.607
               
15 3 11-1/16 1.227 22 5 9-1/16 2.639
15-1/8 3 11-1/2 1.248 22-1/8 5 9-1/2 2.670
15-1/4 3 11-7/8 1.268 22-1/4 5 9-7/8 2.700
15-3/8 4 1/4 1.289 22-3/8 5 10-1/4 2.730
15-1/2 4 5/8 1.310 22-1/2 5 10-5/8 2.761
15-5/8 4 1-1/16 1.332 22-5/8 5 11-1/16 2.792
15-3/4 4 1-1/2 1.353 22-3/4 5 11-7/16 2.823
15-7/8 4 1-7/8 1.375 22-7/8 5 11-13/16 2.854

 

CIRCUMFERENCE AND AREA OF CIRCLES 23 INCH TO 51 3/4 INCHES
Circumference in Circumference in
Diameter  in Inches Ft. In. Area   Sq. Ft. Diameter  in Inches Ft. In. Area   Sq. Ft.
23 6 1/4 2.885 37 9 8-3/16 7.466
23-1/8 6 5/8 2.917 37-1/4 9 9 7.568
23-1/4 6 1 2.948 37-1/2 9 9-3/4 7.670
23-3/8 6 1-3/8 2.980 37-3/4 9 10-9/16 7.770
23-1/2 6 1-13/16 3.012        
23-5/8 6 2-3/16 3.044 38 9 11-3/8 7.875
23-3/4 6 2-9/16 3.076 38-1/4 10 1/8 7.979
23-7/8 6 3 3.109 38-1/2 10 15/16 8.081
        38-3/4 10 1-11/16 8.189
  6            
24 6 3-3/8 3.141 39 10 2-1/2 8.295
24-1/4 6 4-1/8 3.207 39-1/4 10 3-1/4 8.403
24-1/2 6 4-15/16 3.274 39-1/2 10 4-1/16 8.509
24-3/4 6 5-3/4 3.341 39-3/4 10 4-7/8 8.618
               
25 6 6-1/2 3.408 40 10 5 5/8 8.726
25-1/4 6 7-5/16 3.477 40 ¼ 10 6 7/16 8.831
        40 1/2 10 7 3/16 8.941
25-1/2 6 8-1/16 3.546 40 3/4 10 8 9.051
25-3/4 6 8-7/8 3.616        
        41 10 8-3/4 9.168
26 6 9-5/8 3.687 41-1/4 10 9-9/16 9.280
26-1/4 6 10-7/16 3.758 41-1/2 10 10-3/8 9.391
26-1/2 6 11-1/4 3.830 41-3/4 10 11-1/8 9.501
26-3/4 7   3.900        
        42 10 11-15/16 9.621
27 7 13/16 3.976 42-1/4 11 11/16 9.736
27-1/4 7 1-9/16 4.050 42-1/2 11 1-1/2 9.851
27-1/2 7 2-3/8 4.125 42-3/4 11 2-1/4 9.968
27-3/4 7 3-1/8 4.200        
        43 11 3-1/16 10.084
28 7 3-15/16 4.276 43-1/4 11 3-13/16 10.202
28-1/4 7 4-11/16 4.353 43-1/2 11 4-5/8 10.320
28-1/2 7 5-1/2 4.430 43-3/4 11 5-3/8 10.439
28-3/4 7 6-1/4 4.508        
29 7 7-1/16 4.586 44 11 6-3/16 10.559
29-1/4 7 7-7/8 4.666 44-1/4 11 7 10.679
29-1/2 7 8-5/8 4.746 44-1/2 11 7-3/4 10.800
29-3/4 7 9-7/16 4.827 44-3/4 11 8-9/16 10.922
               
30 7 10-3/16 4.908 45 11 9-3/8 11.044
30-1/4 7 11 4.990 45-1/4 11 10-1/8 11.161
30-1/2 7 11-13/16 5.073 45-1/2 11 10-15/16 11.290
30-3/4 8 9/16 5.157 45-3/4 11 11-11/16 11.415
               
31 8 1-3/8 5.241 46 12 1/2 11.540
31-1/4 8 2-1/8 5.326 46-1/4 12 1-1/4 11.666
31-1/2 8 2-15/16 5.412 46-1/2 12 2-1/16 11.793
31-3/4 8 3-11/16 5.498 46-3/4 12 2-13/16 11.920
               
32 8 4-1/2 5.585 47 12 3-5/8 12.048
32-1/4 8 5-5/16 5.672 47-1/4 12 4-7/16 12.177
32-1/2 8 6-1/16 5.760 47-1/2 12 5-3/16 12.306
32-3/4 8 6-7/8 5.849 47-3/4 12 6 12.436
               
33 8 7-5/8 5.939 48 12 6-3/4 12.566
33-1/4 8 8-7/16 6.029 48-1/4 12 7-9/16 12.697
33-1/2 8 9-3/16 6.121 48-1/2 12 8-5/16 12.829
33-3/4 8 10 6.212 48-3/4 12 9-1/8 12.961
               
34 8 10-13/16 6.305 49 12 9-15/16 13.195
34-1/4 8 11-9/16 6.398 49-1/4 12 10-11/16 13.209
34-1/2 9 3/8 6.490 49-1/2 12 11-1/2 13.363
34-3/4 9 1-1/8 6.581 49-3/4 13 1/4 13.499
               
35 9 1-15/16 6.681 50 13 1-1/16 13.635
35-1/4 9 2-11/16 6.771 50-1/4 13 1-13/16 13.772
35-1/2 9 3-1/2 6.873 50-1/2 13 2-5/8 13.909
35-3/4 9 4-1/4 6.970 50-3/4 13 3-3/8 14.047
               
36 9 5-1/16 7.068 51 13 4-3/16 14.186
36-1/4 9 5-7/8 7.167 51-1/4 13 5 14.325
36-1/2 9 6-5/8 7.266 51-1/2 13 5-3/4 14.465
36-3/4 9 7-7/16 7.361 51-3/4 13 6-9/16 14.606