Fraction to Decimal Conversions, Inch / Metric

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Fraction (inch)
Decimal
Eq.
mm
 
inch
mm
 
mm
inch
foot
 
Meter
inch
foot
 
 
 
 
 
1/64
0.015625 0.396875  
1
25.4  
1
0.039
0.003
 
1
39.4 3.28
 
 
 
 
1/32
2/64
0.03125 0.79375  
2
50.8  
2
0.079
0.007
 
2
78.7 6.56
 
 
 
 
 
3/64
0.046875 1.190625  
3
76.2  
3
0.118
0.010
 
3
118.1 9.84
 
 
 
1/16
2/32
4/64
0.0625 1.5875  
4
101.6  
4
0.157
0.013
 
4
157.5 13.12
 
 
 
 
 
5/64
0.078125 1.984375  
5
127  
5
0.197
0.016
 
5
196.9 16.40
 
 
 
 
3/32
6/64
0.09375 2.38125  
6
152.4  
6
0.236
0.020
 
6
236.2 19.69
 
 
 
 
 
7/64
0.109375 2.778125  
7
177.8  
7
0.276
0.023
 
7
275.6 22.97
 
 
1/8
2/16
4/32
8/64
0.125 3.175  
8
203.2  
8
0.315
0.026
 
8
315.0 26.25
 
 
 
 
 
9/64
0.140625 3.571875  
9
228.6  
9
0.354
0.030
 
9
354.3 29.53
 
 
 
 
5/32
10/64
0.15625 3.96875  
10
254  
10
0.394
0.033
 
10
393.7 32.81
 
 
 
 
 
11/64
0.171875 4.365625  
11
279.4  
11
0.433
0.036
 
11
433.1 36.09
 
 
 
3/16
6/32
12/64
0.1875 4.7625  
12
304.8  
12
0.472
0.039
 
12
472.4 39.37
 
 
 
 
 
13/64
0.203125 5.159375  
13
330.2  
13
0.512
0.043
 
13
511.8 42.65
 
 
 
 
7/32
14/64
0.21875 5.55625  
14
355.6  
14
0.551
0.046
 
14
551.2 45.93
 
 
 
 
 
15/64
0.234375 5.953125  
15
381  
15
0.591
0.049
 
15
590.6 49.21
 
1/4
2/8
4/16
8/32
16/64
0.25 6.35  
16
406.4  
16
0.630
0.052
 
16
629.9 52.49
 
 
 
 
 
17/64
0.265625 6.746875  
17
431.8  
17
0.669
0.056
 
17
669.3 55.77
 
 
 
 
9/32
18/64
0.28125 7.14375  
18
457.2  
18
0.709
0.059
 
18
708.7 59.06
 
 
 
 
 
19/64
0.296875 7.540625  
19
482.6  
19
0.748
0.062
 
19
748.0 62.34
 
 
 
5/16
10/32
20/64
0.3125 7.9375  
20
508  
20
0.787
0.066
 
20
787.4 65.62
 
 
 
 
 
21/64
0.328125 8.334375  
21
533.4  
21
0.827
0.069
 
21
826.8 68.90
 
 
 
 
11/32
22/64
0.34375 8.73125  
22
558.8  
22
0.866
0.072
 
22
866.1 72.18
 
 
 
 
 
23/64
0.359375 9.128125  
23
584.2  
23
0.906
0.075
 
23
905.5 75.46
 
 
3/8
6/16
12/32
24/64
0.375 9.525  
24
609.6  
24
0.945
0.079
 
24
944.9 78.74
 
 
 
 
 
25/64
0.390625 9.921875  
25
635  
25
0.984
0.082
 
25
984.3 82.02
 
 
 
 
13/32
26/64
0.40625 10.31875  
26
660.4    
26
1023.6 85.30
 
 
 
 
 
27/64
0.421875 10.71563  
27
685.8  
30
1.181
0.098
 
27
1063.0 88.58
 
 
 
7/16
14/32
28/64
0.4375 11.1125  
28
711.2  
35
1.378
0.115
 
28
1102.4 91.86
 
 
 
 
 
29/64
0.453125 11.50938  
29
736.6  
40
1.575
0.131
 
29
1141.7 95.14
 
 
 
 
15/32
30/64
0.46875 11.90625  
30
762  
45
1.772
0.148
 
30
1181.1 98.43
 
 
 
 
 
31/64
0.484375 12.30313  
31
787.4  
50
1.969
0.164
 
31
1220.5 101.71
1/2
2/4
4/8
8/16
16/32
32/64
0.5 12.7  
32
812.8  
55
2.165
0.180
 
32
1259.8 104.99
 
 
 
 
 
33/64
0.515625 13.09688  
33
838.2  
60
2.362
0.197
 
33
1299.2 108.27
 
 
 
 
17/32
34/64
0.53125 13.49375  
34
863.6  
65
2.559
0.213
 
34
1338.6 111.55
 
 
 
 
 
35/64
0.546875 13.89063  
35
889  
70
2.756
0.230
 
35
1378.0 114.83
 
 
 
9/16
18/32
36/64
0.5625 14.2875  
36
914.4  
75
2.953
0.246
 
36
1417.3 118.11
 
 
 
 
 
37/64
0.578125 14.68438  
37
939.8  
80
3.150
0.262
 
37
1456.7 121.39
 
 
 
 
19/32
38/64
0.59375 15.08125  
38
965.2  
85
3.346
0.279
 
38
1496.1 124.67
 
 
 
 
 
39/64
0.609375 15.47813  
39
990.6  
90
3.543
0.295
 
39
1535.4 127.95
 
 
5/8
10/16
20/32
40/64
0.625 15.875  
40
1016  
95
3.740
0.312
 
40
1574.8 131.23
 
 
 
 
 
41/64
0.640625 16.27188  
41
1041.4  
100
3.937
0.328
 
41
1614.2 134.51
 
 
 
 
21/32
42/64
0.65625 16.66875  
42
1066.8  
105
4.134
0.344
 
42
1653.5 137.80
 
 
 
 
 
43/64
0.671875 17.06563  
43
1092.2  
110
4.331
0.361
 
43
1692.9 141.08
 
 
 
11/16
22/32
44/64
0.6875 17.4625  
44
1117.6  
115
4.528
0.377
 
44
1732.3 144.36
 
 
 
 
 
45/64
0.703125 17.85938  
45
1143  
120
4.724
0.394
 
45
1771.7 147.64
 
 
 
 
23/32
46/64
0.71875 18.25625  
46
1168.4  
125
4.921
0.410
 
46
1811.0 150.92
 
 
 
 
 
47/64
0.734375 18.65313  
47
1193.8  
130
5.118
0.427
 
47
1850.4 154.20
 
3/4
6/8
12/16
24/32
48/64
0.75 19.05  
48
1219.2  
135
5.315
0.443
 
48
1889.8 157.48
 
 
 
 
 
49/64
0.765625 19.44688  
49
1244.6  
140
5.512
0.459
 
49
1929.1 160.76
 
 
 
 
25/32
50/64
0.78125 19.84375  
50
1270  
145
5.709
0.476
 
50
1968.5 164.04
 
 
 
 
 
51/64
0.796875 20.24063  
51
1295.4  
150
5.906
0.492
 
51
2007.9 167.32
 
 
 
13/16
26/32
52/64
0.8125 20.6375  
52
1320.8    
52
2047.2 170.60
 
 
 
 
 
53/64
0.828125 21.03438  
53
1346.2  
175
6.890
0.574
 
53
2086.6 173.88
 
 
 
 
27/32
54/64
0.84375 21.43125  
54
1371.6  
200
7.874
0.656
 
54
2126.0 177.17
 
 
 
 
 
55/64
0.859375 21.82813  
55
1397  
225
8.858
0.738
 
55
2165.4 180.45
 
 
7/8
14/16
28/32
56/64
0.875 22.225  
56
1422.4  
250
9.843
0.820
 
56
2204.7 183.73
 
 
 
 
 
57/64
0.890625 22.62188  
57
1447.8  
275
10.827
0.902
 
57
2244.1 187.01
 
 
 
 
29/32
58/64
0.90625 23.01875  
58
1473.2  
300
11.811
0.984
 
58
2283.5 190.29
 
 
 
 
 
59/64
0.921875 23.41563  
59
1498.6  
325
12.795
1.066
 
59
2322.8 193.57
 
 
 
15/16
30/32
60/64
0.9375 23.8125  
60
1524  
350
13.780
1.148
 
60
2362.2 196.85
 
 
 
 
 
61/64
0.953125 24.20938  
61
1549.4  
375
14.764
1.230
 
61
2401.6 200.13
 
 
 
 
31/32
62/64
0.96875 24.60625  
62
1574.8  
400
15.748
1.312
 
62
2440.9 203.41
 
 
 
 
 
63/64
0.984375 25.00313  
63
1600.2  
425
16.732
1.394
 
63
2480.3 206.69
2/2
4/4
8/8
16/16
32/32
64/64
1 25.4  
64
1625.6  
450
17.717
1.476
 
64
2519.7 209.97