Metric to Inches
Fasteners’ Metric to Inches Conversion Chart |
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Millimeters
|
Inches
|
Inches
|
Centimeters
|
Meters
|
|
|
|
Decimal
|
Fractional
|
|
|
|
|
0.3969
|
0.0156
|
1/64
|
0.04
|
0.0004
|
|
|
0.7925
|
0.0312
|
1/32
|
0.08
|
0.0008
|
|
|
1.0000
|
0.0394
|
|
0.10
|
0.0010
|
|
|
1.5875
|
0.0625
|
1/16
|
0.16
|
0.0016
|
|
|
2.0000
|
0.0788
|
|
0.20
|
0.0020
|
|
|
3.1750
|
0.1251
|
1/8
|
0.32
|
0.0032
|
|
|
3.0000
|
0.1182
|
|
0.30
|
0.0030
|
|
|
4.0000
|
0.1576
|
|
0.40
|
0.0040
|
|
|
5.0000
|
0.1970
|
|
0.50
|
0.0050
|
|
|
6.3500
|
0.2502
|
1/4
|
0.64
|
0.0064
|
|
|
7.0000
|
0.2758
|
|
0.70
|
0.0070
|
|
|
8.0000
|
0.3152
|
|
0.80
|
0.0080
|
|
|
9.0000
|
0.3546
|
|
0.90
|
0.0090
|
|
|
9.5250
|
0.3753
|
3/8
|
0.95
|
0.0095
|
|
|
10.0000
|
0.3940
|
|
1.00
|
0.0100
|
|
|
11.0000
|
0.4334
|
|
1.10
|
0.0110
|
|
|
12.0000
|
0.4728
|
|
1.20
|
0.0120
|
|
|
12.7000
|
0.5004
|
1/2
|
1.27
|
0.0127
|
|
|
13.0000
|
0.5122
|
|
1.30
|
0.0130
|
|
|
14.0000
|
0.5516
|
|
1.40
|
0.0140
|
|
|
15.0000
|
0.5910
|
|
1.50
|
0.0150
|
|
|
15.8750
|
0.6255
|
5/8
|
1.59
|
0.0159
|
|
|
16.0000
|
0.6304
|
|
1.60
|
0.0160
|
|
|
17.0000
|
0.6698
|
|
1.70
|
0.0170
|
|
|
18.0000
|
0.7092
|
|
1.80
|
0.0180
|
|
|
19.0500
|
0.7506
|
3/4
|
1.91
|
0.0191
|
|
|
20.0000
|
0.7880
|
|
2.00
|
0.0200
|
|
|
22.2250
|
0.8757
|
7/8
|
2.22
|
0.0222
|
|
|
25.4000
|
1.0000
|
1 inch
|
2.54
|
0.0254
|
|
|
30.0000
|
1.1820
|
|
3.00
|
0.0300
|
|
|
35.0000
|
1.3790
|
|
3.50
|
0.0350
|
|
|
40.0000
|
1.5760
|
|
4.00
|
0.0400
|
|
|
45.0000
|
1.7730
|
|
4.50
|
0.0450
|
|
|
50.0000
|
1.9700
|
|
5.00
|
0.0500
|
|
|
60.0000
|
2.3640
|
|
6.00
|
0.0600
|
|
|
70.0000
|
2.7580
|
|
7.00
|
0.0700
|
|
|
80.0000
|
3.1520
|
|
8.00
|
0.0800
|
|
|
90.0000
|
3.5460
|
|
9.00
|
0.0900
|
|
|
100.0000
|
3.9400
|
|
10.00
|
0.1000
|
|
|
110.0000
|
4.3340
|
|
11.00
|
0.1100
|
|
|
120.0000
|
4.7280
|
|
12.00
|
0.1200
|
|
|
130.0000
|
5.1220
|
|
13.00
|
0.1300
|
|
|
140.0000
|
5.5160
|
|
14.00
|
0.1400
|
|
|
150.0000
|
5.9100
|
|
15.00
|
0.1500
|
|
|
160.0000
|
6.3040
|
|
16.00
|
0.1600
|
|
|
170.0000
|
6.6980
|
|
17.00
|
0.1700
|
|
|
180.0000
|
7.0920
|
|
18.00
|
0.1800
|
|
|
190.0000
|
7.4860
|
|
19.00
|
0.1900
|
|
|
200.0000
|
7.8800
|
|
20.00
|
0.2000
|
|
|
220.0000
|
8.6680
|
|
22.00
|
0.2200
|
|
|
240.0000
|
9.4560
|
|
24.00
|
0.2400
|
|
|
260.0000
|
10.2440
|
|
26.00
|
0.2600
|
|
|
280.0000
|
11.0320
|
|
28.00
|
0.2800
|
|
|
300.0000
|
11.8200
|
|
30.00
|
0.3000
|
|
|
320.0000
|
12.6080
|
|
32.00
|
0.3200
|
|
|
340.0000
|
13.3960
|
|
34.00
|
0.3400
|
|
|
360.0000
|
14.1840
|
|
36.00
|
0.3600
|
|
|
400.0000
|
15.7600
|
|
40.00
|
0.4000
|
|
|
440.0000
|
17.3360
|
|
44.00
|
0.4400
|
|
|
480.0000
|
18.9120
|
|
48.00
|
0.4800
|
|
|
500.0000
|
19.7000
|
|
50.00
|
0.5000
|
|
|
750.0000
|
29.5500
|
|
75.00
|
0.7500
|
|
|
1000.0000
|
39.4000
|
|
100.00
|
1.0000
|
|