Inches to MM - Convert Inches to Millimeters
Convert inches to millimeters instantly. Free inches to mm calculator with formula and conversion table. 1 inch = 25.4 mm.
1 in = 25.4 mm
Conversion Formula
1 in = 25.4 mm
Inches to Millimeters Conversion Table
| Inches (in) | Millimeters (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 |
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How to Convert Inches to Millimeters
Converting between inches and millimeters is straightforward. Simply multiply your inches value by the conversion factor.
Our converter above does this calculation instantly as you type. The result is displayed with full precision, and you can copy it to your clipboard with one click.
All conversions happen locally in your browser - your data is never sent to any server. This means instant results and complete privacy.
Frequently Asked Questions
To convert inches to millimeters, multiply the inches value by 25.4. For example, 1 in = 25.4 mm.
There are 25.4 millimeters in one inches.
To convert millimeters to inches, multiply the millimeters value by 0.0393701. For example, 1 mm = 0.0393701 in.
The formula is: mm = in × 25.4