Millimeters to Inches Conversion Chart & Calculator

To convert millimeters to inches (mm to in), please refer to below conversion chart.

Millimeters to Inches Conversion Chart

MillimetersApproximate Size In InchesExact Size In Inches
1mm1/25 Inch0.03937 Inches
2mm1/16 Inch0.07874 Inches
3mm3/32 Inch0.11811 Inches
4mm1/8 Inch0.15748 Inches
5mm3/16 Inch0.19685 Inches
6mmAlmost 1/4 Inch0.23622 Inches
7mmSlightly more than 1/4 Inch0.27559 Inches
8mm5/16 Inch0.31496 Inches
9mmAlmost 3/8 Inch0.35433 Inches
10mmSlightly more than 3/8 Inch0.39370 Inches
11mm7/16 Inch0.43307 Inches
12mmAlmost 1/2 Inch0.47244 Inches
13mmSlightly more than 1/2 Inch0.51181 Inches
14mm9/16 Inch0.55118 Inches
15mmAlmost 5/8 Inch0.59055 Inches
16mm5/8 Inch0.62992 Inches
17mmAlmost 11/16 Inch0.66929 Inches
18mmAlmost of 3/4 Inch0.70866 Inches
19mmAlmost 3/4 Inch0.74803 Inches
20mmAlmost 13/16 Inch0.78740 Inches
21mmSlightly more than 13/16 Inch0.82677 Inches
22mmAlmost 7/8 Inch0.86614 Inches
23mmSlightly more than 7/8 Inch0.90551 Inches
24mm15/16 Inch0.94488 Inches
25mm1 Inch0.98425 Inches

Why Use Millimeter?

Millimeters are generally used to measure smaller items since it provides more precise measurement.

How to Convert Millimeters to Inches?

To convert millimeters to inches, divide the number of millimeters by 25.4 (which is the number of millimeters in an inch). The resulting number will be the measurement in inches.

1 inch = 25.4 millimeters

For example:

  • 10 millimeters = 10/25.4 = 0.39 inches
  • 50 millimeters = 50 / 25.4 = 1.97 inches
  • 100 millimeters = 100 / 25.4 = 3.94 inches

Millimeters to Inches Conversion Calculator

How To Use The Millimeters to Inches Conversion Calculator

This is a simple millimeters to inches conversion calculator.

To use the calculator, just enter the number in the first field (Millimeter), and the calculator will auto-convert the value of millimeter to inches and inches rounded to two decimal places.

Millimeters to Inches Conversion FAQ

What is the closest mm to 1/4 inch?

The closest mm to 1/4 inch is 6mm.

Is 8mm close to 1/4 inch?

No. 8mm = 5/16 inch. 6mm = almost 1/4 inch.

How many millimeters in an inch?

One inch is equal to 25.4 millimeters.

How many inches in a millimeter?

One millimeter is equal to 0.03937 inches (1/25.4 = 0.03937).

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