MM to Inch Converter – Free Online Tool
Quick Answer
Convert millimeters to inches instantly with this free MM to Inch converter from Toolscal. Enter a value and get accurate conversions without signup or downloads.
Convert millimeters to inches instantly. Free, accurate MM to Inch converter by Toolscal. Perfect for engineering, manufacturing, and precision work.
A millimeter (mm) is a metric unit of length equal to one thousandth of a meter, while an inch equals exactly 25.4 millimeters. This free converter by Toolscal helps you convert MM to inches quickly and accurately for engineering, manufacturing, and precision measurements.
Enter a numeric value to convert
Conversion Formula
To convert millimeters to inches, multiply the length value by 0.0393701.
Example: 25.4 mm × 0.0393701 = 1 inch
Example Conversions
Conversion Table
| Millimeters | Inches |
|---|---|
| 1 mm | 0.039 in |
| 5 mm | 0.197 in |
| 10 mm | 0.394 in |
| 15 mm | 0.591 in |
| 20 mm | 0.787 in |
| 25.4 mm | 1.000 in |
| 50 mm | 1.969 in |
| 75 mm | 2.953 in |
| 100 mm | 3.937 in |
| 254 mm | 10.000 in |
Frequently Asked Questions
How do I convert millimeters to inches?
To convert millimeters to inches, multiply the length value by 0.0393701. For example, 25.4 mm × 0.0393701 = 1 inch. Use Toolscal's free MM to Inch converter for instant, accurate results.
What is the formula for mm to inch conversion?
The conversion formula is: Inches = Millimeters × 0.0393701. This is because 1 millimeter equals 0.0393701 inches.
How many inches are in 1 mm?
1 millimeter equals 0.0393701 inches, or approximately 0.039 inches.
Why convert mm to inches?
Millimeters are commonly used in engineering, manufacturing, and most countries worldwide, while inches are used in the United States. Converting between these units is essential for precision work, manufacturing, and international projects.
What are common mm to inch conversions?
Common conversions include: 1 mm = 0.039 in, 10 mm = 0.394 in, 25.4 mm = 1 in (exact), 50 mm = 1.969 in, 100 mm = 3.937 in.