Convert inches to mm
Easily convert inches to mm with our precise conversion tool. Perfect for professional calculations, engineering applications, and everyday measurements requiring accurate conversions.
Unit Converter
How to Convert inches to mm
Formula: mm = inches × 25.400000
To convert inches to mm, multiply the inches value by 25.400000. For example, 0.01 inches equals 0.254000 mm.
What is inches?
A inches is a unit of length used for measuring distance and size. It is an important measurement unit in construction, engineering, and daily applications.
What is mm?
A mm is a unit of mass used for measuring weight. It is commonly used in various measurement systems for quantifying the amount of matter in objects, materials, and substances.
Conversion Chart
| inches | mm |
|---|---|
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 | |
| 6 | |
| 7 | |
| 8 | |
| 9 | |
| 10 |
Frequently Asked Questions
How many mm are in a inches?
One inches equals 25.400000 mm. This conversion factor is based on the standard international definitions of both units.
Is this conversion accurate for professional use?
Yes, our converter uses official conversion factors making it suitable for commercial, scientific, and industrial applications requiring precise measurements.
How do I convert fractional inches to mm?
Simply multiply any decimal inches value by 25.400000. For example, 0.5 inches equals 12.700 mm.
What is the formula for converting inches to mm?
The formula is: mm = inches × 25.400000. This is a linear conversion with a constant multiplication factor.
Can I convert mm back to inches?
Yes, to convert mm to inches, divide by 25.400000 or multiply by 0.039370. Use our swap feature for easy reverse conversion.