Conversion Formula
1 inch = 25.4 millimeters
To convert inches to millimeters, multiply the inch value by 25.4.
mm = in × 25.4
Inches to Millimeters Conversion Table
| Inches (in) | Millimeters (mm) |
|---|---|
| 1/16" | 1.5875 mm |
| 1/8" | 3.175 mm |
| 1/4" | 6.35 mm |
| 1/2" | 12.7 mm |
| 1" | 25.4 mm |
| 2" | 50.8 mm |
| 3" | 76.2 mm |
| 4" | 101.6 mm |
| 5" | 127.0 mm |
| 6" | 152.4 mm |
| 7" | 177.8 mm |
| 8" | 203.2 mm |
| 9" | 228.6 mm |
| 10" | 254.0 mm |
| 12" | 304.8 mm |
| 24" | 609.6 mm |
| 36" | 914.4 mm |
About Inches to Millimeters Conversion
The inch is a unit of length commonly used in the United States and United Kingdom, while the millimeter is part of the metric system used worldwide. Converting between these units is essential for engineering, manufacturing, and many DIY projects.
How to Convert Inches to Millimeters
To convert inches to millimeters:
- Take your measurement in inches
- Multiply the inch value by 25.4 (the conversion factor)
- The result is the equivalent measurement in millimeters
Example: Convert 5 inches to millimeters
5 in × 25.4 = 127 mm
Common Conversions
Here are some frequently used inch to millimeter conversions:
- 1/2 inch = 12.7 mm
- 3/4 inch = 19.05 mm
- 1 inch = 25.4 mm
- 2 inches = 50.8 mm
- 5 inches = 127 mm
- 10 inches = 254 mm
Applications of Inch to Millimeter Conversion
This conversion is particularly important in:
- Engineering drawings and blueprints
- Machining and metalworking
- Woodworking projects
- 3D printing and modeling
- International product specifications