Last Updated On
Monday, August 14, 2023
Wrench Sizes
Wrench Size
Wrench
Size
Opening
In Inches
1/8"
0.1250
In mm
3.175
3.2mm
0.1260
3.2
4 mm
0.1575
4
5/32"
0.1663
4.4224
4.5mm
0.1772
4.5
3/16"
0.1875
4.762
5mm
0.1969
5
5.5mm
0.2165
5.5
7/32"
0.2188
5.558
6mm
0.2180
6
1/4"
0.2500
6.35
6.5mm
0.2559
6.5
7mm
0.2756
7
9/32"
0.2813
7.145
7.5mm
0.2953
7.5
5/16"
0.3125
7.938
8mm
0.3150
8
11/32"
0.3438
8.733
9mm
0.3544
9
3/8"
0.3750
9.525
9.5mm
0.3800
9.5
10mm
0.3937
10
11mm
0.4331
11
7/16"
0.4375
11.112
12mm
0.4724
12
1/2"
0.5000
12.7
13mm
0.5118
13
14mm
0.5512
14
9/16"
0.5825
14.795
15mm
0.5906
15
19/32"
0.5938
15.083
16mm
0.6299
16
17mm
0.6693
17
18mm
0.7087
18
19mm
0.7480
19
20mm
0.7874
20
13/16"
0.8125
20.638
21mm
0.8268
21
22mm
0.8661
22
7/8"
0.8750
22.225
23mm
0.9055
23
24mm
0.9449
24
25mm
0.9843
25
1"
1.0000
25.4
26mm
1.0236
26
27mm
1.0830
27
28mm
1.1024
28
1-1/8"
1.1250
28.575
29mm
1.1417
29
30mm
1.1811
30
1-3/16"
1.1875
30.162
1-1/4"
1.2500
31.75
32mm
1.2598
32
1-5/16"
1.3125
33.338
1-3/8"
1.3750
34.925
36mm
1.4173
36
1-7/16"
1.4375
36.512
1-1/2"
1.5000
38.1
41mm
1.6142
41
1-5/8"
1.6250
41.275
1-3/4"
1.7500
44.45
1-7/8"
1.8750
47.625
2"
2.0000
50.8
5/8"
0.6250
15.875
11/16"
0.6875
17.463
3/4"
0.7500
19.05
15/16"
0.9375
23.813
1-1/16"
1.0625
26.987
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26 mm
27 mm
28 mm
29 mm
30 mm
32 mm
1-5/16
1-3/8
36 mm
1-7/16
1-1/2
41 mm
1-5/8
1-3/4
1-7/8
2 inch