Inch to mm Conversion (Inches to Millimetres)
Inch to mm Conversion
This page explains how to convert inches (in) to millimetres (mm) using the standard international measurement formula. It includes common conversions and a simple reference table.
📏 Inch to mm Formula
1 inch = 25.4 millimetres
To convert inches to millimetres:
millimetres = inches × 25.4
🧮 Example Conversion
Convert 5 inches to millimetres:
5 × 25.4 = 127 mm
📐 Common Inch to mm Conversions
| Inches | Millimetres (mm) |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 3 in | 76.2 mm |
| 4 in | 101.6 mm |
| 5 in | 127 mm |
| 6 in | 152.4 mm |
| 10 in | 254 mm |
| 12 in | 304.8 mm |
🔁 Related Conversions
- mm to inch
- inch to cm
- cm to inch
- feet to mm
Disclaimer: This conversion is provided for general reference only. While calculations are accurate, results may vary slightly depending on rounding or measurement standards. This page is informational and does not replace professional, technical, or engineering advice.