Inches to Millimeters Converter
Convert Inches (in) to Millimeters (mm) instantly. 1 Inch = 25.4 Millimeters.
Inches to Millimeters
12 units
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Common Length Conversions
Inches to Millimeters Conversion Table
| Inches (in) | Millimeters (mm) |
|---|---|
| 0.01 in | 0.254 mm |
| 0.1 in | 2.54 mm |
| 0.5 in | 12.7 mm |
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 25 in | 635 mm |
| 50 in | 1270 mm |
| 100 in | 2540 mm |
| 250 in | 6350 mm |
| 500 in | 12700 mm |
| 1000 in | 25400 mm |
| 5000 in | 127000 mm |
| 10000 in | 254000 mm |
How to Convert Inches to Millimeters
Multiply the Inch value by 25.4 to get Millimeters.
Example: 10 Inches × 25.4 = 254 Millimeters
To go the other way, multiply by 0.0393700787. Use the reverse converter →
Frequently Asked Questions
Q
How many Millimeters in a Inch?
1 Inch equals 25.4 Millimeters.
Q
How do I convert Inches to Millimeters?
Multiply your Inch value by 25.4 to get the result in Millimeters.
About These Units
Inch
in
A unit of length commonly used in measurement systems worldwide.
Millimeter
mm
A unit of length used alongside and interchangeable with other standard units.