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Beading Resources > EncycloBEADia > Metric Conversions

 Metric Conversions 


1 inch = 25.4 millimeters

1 inch = 2.54 centimeters

1 ounce = 28.3 grams

50 grams = 1-3/4 ounces

1 pound = 454 grams

500 grams (1/2 kilogram) = 1.1 pound

1000 grams (1 kilogram) = 2.2 pounds

Inches to Millimeters Conversion

Inches
Millimeters
1/32
0.79
1/16
1.59
3/32
2.38
1/8
3.18
5/32
3.97
3/16
4.76
7/32
5.56
1/4
6.35
9/32
7.14
5/16
7.94
11/32
8.73
3/8
9.53
13/32
10.32
7/16
11.11
15/32
11.91
1/2
12.70
17/32
13.49
9/16
14.29
19/32
15.08
5/8
15.88
21/32
16.67
11/16
17.46
23/32
18.26
3/4
19.05
25/32
19.84
13/16
20.64
27/32
21.43
7/8
22.23
29/32
23.02
15/16
23.81
31/32
24.61
1
25.40

Millimeters to Inches Conversion

Size in mm
Closest Equivalent in Inches
1mm
just over 1/32 of an inch
2mm
just over 1/16 of an inch
3mm
1/8
4mm
5/32
5mm
3/16
6mm
1/4
7mm
9/32
8mm
5/16
9mm
11/32
10mm
3/8
11mm
7/16
12mm
15/32
13mm
1/2
14mm
9/16
15mm
19/32
16mm
5/8
17mm
11/16
18mm
23/32
19mm
3/4
20mm
13/16
Inches to Centimeters Conversion

Inches
Centimeters
1/8
0.3175
1/4
0.635
3/8
0.9525
1/2
1.27
5/8
1.5875
3/4
1.905
7/8
2.2225
1
2.54
1-1/8
2.8575
1-1/4
3.175
1-3/8
3.4925
1-1/2
3.81
1-5/8
4.1275
1-3/4
4.445
1-7/8
4.7625
2
5.08
2-1/8
5.3975
2-1/4
5.715
2-3/8
6.0325
2-1/2
6.35
2-5/8
6.6675
2-3/4
6.985
2-7/8
7.3025
3
7.62
3-1/8
7.9375
3-1/4
8-1/45
3-3/8
8.255
3-1/2
8.89
3-5/8
9.2075
3-3/4
9.525
3-7/8
9.8425
4
10.16
4-1/8
10.4775
4-1/4
10.795
4-3/8
11.1125
4-1/2
11.43
4-5/8
11.7475
4-3/4
12.065
4-7/8
12.3825
5
12.7
5-1/8
13.0175
5-1/4
13.335
5-3/8
13.6525
5-1/2
13.97
5-5/8
14.2875
5-3/4
14.605
5-7/8
14.9225
6
15.24
6-1/8
15.5575
6-1/4
15.875
6-3/8
16.1925
6-1/2
16.51
6-5/8
16.8275
6-3/4
17.145
6-7/8
17.4625
7
17.78
7-1/8
18.0975
7-1/4
18.415
7-3/8
18.7325
7-1/2
19.05
7-5/8
19.3675
7-3/4
19.685
7-7/8
20.0025
8
20.32
8-1/8
20.6375
8-1/4
20.955
8-3/8
21.2725
8-1/2
21.59
8-5/8
21.9075
8-3/4
22.225
8-7/8
22.5425
9
22.86
9-1/8
23.1775
9-1/4
23.495
9-3/8
23.8125
9-1/2
24.13
9-5/8
24.4475
9-3/4
24.765
9-7/8
25.0825
10
25.4
10-1/8
25.7175
10-1/4
26.035
10-3/8
26.3525
10-1/2
26.67
10-5/8
26.9875
10-3/4
27.305
10-7/8
27.6225
11
27.94
11-1/8
28.2575
11-1/4
28.575
11-3/8
28.8925
11-1/2
29.21
11-5/8
29.5275
11-3/4
29.845
11-7/8
30.1625
12
30.48
12-1/8
30.7975
12-1/4
31.115
12-3/8
31.4325
12-1/2
31.75
12-5/8
32.0675
12-3/4
32.385
12-7/8
32.7025
13
33.02
13-1/8
33.3375
13-1/4
33.655
13-3/8
33.9725
13.5
34.29
13-5/8
34.6075
13-3/4
34.925
13-7/8
35.2425
14
35.56


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