To convert 163 millimeter to inch, multiply 163 by the conversion factor 0.039370. The calculation is 163 x 0.039370 = 6.4173 inch.

163 millimeter equals exactly 6.417323 inch. For most practical applications requiring high precision, 6.4173 inch is the commonly used value.

Objects around 163 millimeter include a custom industrial PCB module (163.0 millimeter length), a high-precision optical sensor housing (162.8 millimeter width), or a specialized precision reamer tool (163.2 millimeter overall length).

Converting millimeter to inch is crucial for ensuring compatibility and precision in international engineering, manufacturing, and design projects. It bridges the gap between metric-dominant systems and imperial-based standards, particularly vital in industries like aerospace, automotive, and construction for global collaboration and adherence to regional specifications.

For a quick mental check, remember that 1 inch is approximately 25.4 millimeters. So, 163 millimeters is roughly 163 divided by 25.4, which is about 6.4 inches. You can also visualize a common smartphone or a small, precise tool that measures around 6.4 inches.