MM to Inches Converter
QuickSizeConvert Converter
Length & weight — updates as you type
Use the converter above to convert mm to inches instantly.
Formula
1 mm = 0.03937 inches. Formula: mm / 25.4.
Common conversions
| From | Equals |
|---|---|
| 10 mm | 0.39 inches |
| 25.4 mm | 1 inch |
| 100 mm | 3.94 inches |
How to convert
Enter a value in the converter, or use the formula above. For everyday use, round the result to two decimal places.
Frequently Asked Questions
What is the formula for mm to inches?
1 mm = 0.03937 inches. Formula: mm / 25.4.