Fillable Printable Standard Metric Wrench Conversion Chart
Fillable Printable Standard Metric Wrench Conversion Chart
Standard Metric Wrench Conversion Chart
Bolt Diameter
Standard
Metric
1/8"
5/16"
8 mm
3/16"
3/8"
10 mm
1/4"
7/16"
11 mm
5/16"
1/2"
13 mm
3/8"
9/16"
14 mm
7/16"
5/8"
16 mm
1/2"
3/4"
19 mm
9/16"
13/16"
21 mm
7/8"
22 mm
5/8"
15/16"
24 mm
1"
25 mm
3/4"
1-1/8"
29 mm
1-1/4"
32 mm
7/8"
1-5/16"
34 mm
1-3/8"
35 mm
1"
1-1/2"
38 mm
1-5/8"
41 mm
1-1/8"
1-11/16"
43 mm
1-3/4"
45 mm
1-1/4"
1-7/8"
48 mm
1-3/8"
2"
51 mm
1-1/2"
2-1/4"
57 mm
1-5/8"
2-1/2"
64 mm
1-3/4"
2-5/8"
67 mm
2-3/4"
70 mm
1-7/8"
2-15/16"
75 mm
3"
76 mm
2"
3-1/8"
80 mm
3-1/4"
83 mm
2-1/4"
3-1/2"
89 mm
3-3/4"
95 mm
2-1/2"
3-7/8"
99 mm
4"
102 mm
2-3/4"
4-1/4"
108 mm
4-1/2"
114 mm
3"
4-5/8"
118 mm
3-1/4"
5"
127 mm
3-1/2"
5-3/8"
137 mm
5-1/2"
140 mm
3-3/4"
5-3/4"
146 mm
6"
152 mm
6-1/2"
165 mm
7"
178 mm
STANDAR D / METRIC
WRE NCH CONVERSION CHART
Last revised 2013-01-14 by:
Robert Schultheis, Natural Resource Engineering Specialist, University of Missouri Extension
800 S. Marshall St., Marshfield, MO 65706 417-859-2044 schultheisr@missouri.edu
