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Convert 5/16 inch to mm – Conversion of
Measurement Units

›› Convert inch to millimetre

Did you mean to convert inch to megametre
millimetre

›› More information from the unit converter

How many inch in 1 mm? The answer is 0.039370078740157.
We assume you are converting between inch and millimetre.
You can view more details on each measurement unit:
inch or mm
The SI base unit for length is the metre.
1 metre is equal to 39.370078740157 inch, or 1000 mm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between inches and millimetres.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of inch to mm

1 inch to mm = 25.4 mm

2 inch to mm = 50.8 mm

3 inch to mm = 76.2 mm

4 inch to mm = 101.6 mm

5 inch to mm = 127 mm

6 inch to mm = 152.4 mm

7 inch to mm = 177.8 mm

8 inch to mm = 203.2 mm

9 inch to mm = 228.6 mm

10 inch to mm = 254 mm

›› Want other units?

You can do the reverse unit conversion from mm to inch, or enter any two units below:

›› Common length conversions

›› Definition: Inch

An inch is the name of a unit of length in a number of different systems, including Imperial units, and United States customary units. There are 36 inches in a yard and 12 inches in a foot. The inch is usually the universal unit of measurement in the United States, and is widely used in the United Kingdom, and Canada, despite the introduction of metric to the latter two in the 1960s and 1970s, respectively. The inch is still commonly used informally, although somewhat less, in other Commonwealth nations such as Australia; an example being the long standing tradition of measuring the height of newborn children in inches rather than centimetres. The international inch is defined to be equal to 25.4 millimeters.

›› Definition: Millimeter

A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.

Do a quick conversion: 1 inches = 25.4 millimetres using the online calculator for metric conversions. Check the chart for more details.