| Inches (fraction) | Inches (decimal) | Millimeters | Centimeters |
|---|---|---|---|
| 1/4" | 0.250 | 6.35 | 0.64 |
| 1/2" | 0.500 | 12.70 | 1.27 |
| 1" | 1.000 | 25.40 | 2.54 |
| 1 1/2" | 1.500 | 38.10 | 3.81 |
| 2" | 2.000 | 50.80 | 5.08 |
| 2 1/2" | 2.500 | 63.50 | 6.35 |
| 3" | 3.000 | 76.20 | 7.62 |
| 4" | 4.000 | 101.60 | 10.16 |
| 5" | 5.000 | 127.00 | 12.70 |
| 6" | 6.000 | 152.40 | 15.24 |
| Number | Fraction | Decimal (in) | Millimeters |
|---|---|---|---|
| #80 | — | 0.0135 | 0.34 |
| #50 | — | 0.0700 | 1.78 |
| #52 | 1/16" | 0.0625 | 1.59 |
| #41 | 3/32" | 0.0938 | 2.38 |
| #22 | 5/32" | 0.1562 | 3.97 |
| #11 | 3/16" | 0.1875 | 4.76 |
| #7 | 13/64" | 0.2031 | 5.16 |
| — | — | 0.2570 | 6.53 |
| — | 3/8" | 0.3750 | 9.53 |
| — | 1/2" | 0.5000 | 12.70 |
| Size | Pitch/TPI | Head |
|---|---|---|
| M3 | 0.5 | 5.5 |
| M4 | 0.7 | 7.0 |
| M5 | 0.8 | 8.0 |
| M6 | 1.0 | 10.0 |
| M8 | 1.25 | 13.0 |
| 1/4" | 20 | 7/16" |
| 5/16" | 18 | 1/2" |
| 3/8" | 16 | 9/16" |
| Size | Pilot | Clear |
|---|---|---|
| #4 | 1/16" | 9/64" |
| #6 | 5/64" | 11/64" |
| #8 | 3/32" | 13/64" |
| #10 | 7/64" | 1/4" |
| #12 | 1/8" | 17/64" |
| 1/4" | - | F |
| 5/16" | - | P |
| 3/8" | - | W |
| M4 | 2.5mm | 4.5mm |
| M6 | 3.5mm | 6.6mm |
Identify screw sizes, thread pitches, and head types for woodworking and repairs.
Customize & Download| Size | M-Bolt | S-Bolt |
|---|---|---|
| 8mm | M5 | 5/16" |
| 10mm | M6 | - |
| 7/16" | - | 1/4" |
| 13mm | M8 | - |
| 1/2" | - | 5/16" |
| 17mm | M10 | - |
| 9/16" | - | 3/8" |
| 19mm | M12 | 3/4" |
| 3/4" | - | 1/2" |
Wrench sizes for common bolt heads with metric and imperial references.
Customize & Download| Size (d) | Length (in) | MM |
|---|---|---|
| 2d | 1" | 25.4 |
| 4d | 1.5" | 38.1 |
| 6d | 2" | 50.8 |
| 8d | 2.5" | 63.5 |
| 10d | 3" | 76.2 |
| 16d | 3.5" | 88.9 |
| 20d | 4" | 101.6 |
| 30d | 4.5" | 114.3 |
| 40d | 5" | 127 |
| 60d | 6" | 152.4 |
Convert penny sizes (d) to inches and millimeters. Includes gauge and count per lb for Common, Finish, Box, and Roofing nails.
Customize & DownloadUsing the wrong fastener can lead to stripped threads, weak joints, or damaged materials. Our hardware charts provide visual and numerical references to help you organize your miscellaneous hardware drawer and select the perfect screw, bolt, or nail for your project.