Wrench Size And Conversion Table
This table is the chart for publication of information of wrench sizes in inches (US) and millimeters (metric), as well as British spanner size information.
|
|
| Inches |
Millimeters |
Spanner |
| 0.250 |
|
1/4 AF |
| 0.276 |
7mm |
7mm |
| 0.313 |
|
5/16 AF |
| 0.315 |
8mm |
8mm |
| 0.344 |
|
11/32 AF; 1/8 Wworth |
| 0.354 |
9mm |
9mm |
| 0.375 |
|
3/8 AF |
| 0.394 |
10mm |
10mm |
| 0.433 |
11mm |
11mm |
| 0.438 |
|
7/16 AF |
| 0.445 |
|
3/16 Wworth; 1/4 |
| 0.472 |
12mm |
12mm |
| 0.500 |
|
1/2 AF |
| 0.512 |
13mm |
|
| 0.525 |
|
1/4 Wworth; 5/16 BSF |
| 0.551 |
14mm |
|
| 0.563 |
|
9/16 AF |
| 0.591 |
15mm |
|
| 0.600 |
|
5/16 Wworth; 3/8 BSF |
| 0.625 |
|
5/8 AF |
| 0.630 |
16mm |
16mm |
| 0.669 |
17mm |
17mm |
| 0.686 |
|
11/16 AF |
| 0.709 |
18mm |
18mm |
| 0.710 |
|
3/8 Wworth; 7/16 BSF |
| 0.748 |
19mm |
19mm |
| 0.750 |
|
3/4 AF |
| 0.787 |
20mm |
20mm |
| 0.813 |
|
13/16 AF |
| 0.820 |
|
7/16 Wworth; 1/2 BSF |
| 0.826 |
21mm |
21mm |
| 0.866 |
22mm |
22mm |
| 0.875 |
|
7/8 AF |
| 0.905 |
23mm |
23mm |
| 0.920 |
|
1/2 Wworth; 9/16 BSF |
| 0.938 |
|
15/16 AF |
| 0.945 |
24mm |
24mm |
| 0.984 |
25mm |
25mm |
| 1.000 |
|
1in AF |
| 1.010 |
|
9/16 Wworth; 5/8 BSF |
| 1.024 |
26mm |
26mm |
| 1.063 |
27mm |
1 1/16 AF; 27mm |
| 1.100 |
|
5/16 Wworth; 11/16 BSF |
| 1.125 |
|
1 1/8 AF |
| 1.181 |
30mm |
30mm |
| 1.200 |
|
11/16 Wworth; 3/4 BSF |
| 1.250 |
|
1 1/4 AF |
| 1.260 |
32mm |
32mm |
| 1.300 |
|
3/4 Wworth; 7/8 BSF |
| 1.313 |
|
1 5/16 AF |
| 1.390 |
|
13/16 Wworth; 15/16 BSF |
| 1.417 |
36mm |
36mm |
| 1.418 |
|
1 7/16 AF |
| 1.480 |
|
7/8 Wworth; 1in BSF |
| 1.500 |
|
1 1/2 AF |
| 1.575 |
40mm |
15/16 AF; 40mm exactly |
| 1.614 |
41mm |
41mm |
| 1.625 |
|
1 5/8 AF |
| 1.670 |
|
1 in Wworth; 1 1/8 BSF |
| 1.688 |
|
1 11/16 AF |
| 1.811 |
46mm |
46mm |
| 1.813 |
|
1 13/16 AF |
| 1.860 |
|
1 1/8 Wworth; 1 1/4 BSF |
| 1.875 |
|
1 7/8 AF |
| 1.969 |
50mm |
50mm |
| 2.000 |
|
2in AF |
| 2.050 |
|
1 1/4 Wworth; 1 3/8 BSF |
| 2.165 |
55mm |
55mm |
| 2.362 |
60mm |
60mm |
|
|
Updated 8.12.11
|
