Convert Millimeters to Inches
1 Millimeter (mm) = 0.0394 Inches (in). Use the free converter below to instantly convert any millimeter value to inches, or view the full conversion table and formula.
1 mm = 0.0394 in
Millimeter to Inch Conversion Table
How to Convert Millimeters to Inches
To convert millimeters to inches, divide by 25.4. Since 1 inch = 25.4 mm exactly, this gives a precise result. For example, 50 mm ÷ 25.4 = 1.9685 inches. A quick mental shortcut: 25 mm ≈ 1 inch.
Millimeter to Inch Examples
1 mm is equal to 0.0394 in. Using the formula mm ÷ 25.4, 1 mm converts to 0.0394 in.
2 mm is equal to 0.0787 in. Using the formula mm ÷ 25.4, 2 mm converts to 0.0787 in.
3 mm is equal to 0.1181 in. Using the formula mm ÷ 25.4, 3 mm converts to 0.1181 in.
5 mm is equal to 0.1969 in. Using the formula mm ÷ 25.4, 5 mm converts to 0.1969 in.
10 mm is equal to 0.3937 in. Using the formula mm ÷ 25.4, 10 mm converts to 0.3937 in.
Millimeters to Inches FAQ
How many inches is 1 mm?
1 millimeter equals approximately 0.03937 inches. Since 1 inch is exactly 25.4 mm, you divide by 25.4.
What is 10 mm in inches?
10 mm equals approximately 0.3937 inches, which is just under 3/8 of an inch.
How are mm and inches related?
The international inch is defined as exactly 25.4 millimeters. This precise relationship makes mm-to-inch conversions exact when using this factor.