Converters
Millimeters to Inches Converter
Convert millimeters to inches instantly. 1 millimeter = 0.0393701 inches.
0.0393701
1 mm = 0.0393701 in
Common conversions
From 1 millimeters- Meters (m)0.001
- Kilometers (km)1.0000e-6
- Centimeters (cm)0.1
- Miles (mi)6.2137e-7
- Yards (yd)0.00109361
- Feet (ft)0.00328084
- Inches (in)0.0393701
- Nautical Miles (nmi)5.3996e-7
How it works
Inches = Millimeters × 0.03937007874
Multiply the number of millimeters by 0.03937007874 to get inches. To go back, multiply by 25.4. Examples: 1 mm = 0.0393701 in · 5 mm = 0.19685 in · 10 mm = 0.393701 in · 100 mm = 3.93701 in.
Frequently asked
How many inches are in a millimeter?
1 millimeter = 0.0393701 inches.
What is the formula to convert millimeters to inches?
Inches = Millimeters × 0.03937007874
Is this conversion exact?
The conversion factor between millimeters and inches is defined by international standards and is exact to at least 10 significant figures here.
Can I convert in the opposite direction?
Yes — use our Inches to Millimeters converter, or multiply your value by 25.4.
Related calculators
Length Converter
Convert between every length unit — instant, accurate, and free.
Meters to Feet Converter
Convert meters to feet instantly. 1 meter = 3.28084 feet.
Feet to Meters Converter
Convert feet to meters instantly. 1 foot = 0.3048 meters.
Meters to Yards Converter
Convert meters to yards instantly. 1 meter = 1.09361 yards.