How wide is 30 mm in inches?

›› Convert millimetre to inch

›› More information from the unit converter

How many mm in 1 inches? The answer is 25.4.
We assume you are converting between millimetre and inch.
You can view more details on each measurement unit:
mm or inches
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 39.370078740157 inches.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and inches.
Type in your own numbers in the form to convert the units!

›› Quick conversion chart of mm to inches

1 mm to inches = 0.03937 inches

10 mm to inches = 0.3937 inches

20 mm to inches = 0.7874 inches

30 mm to inches = 1.1811 inches

40 mm to inches = 1.5748 inches

50 mm to inches = 1.9685 inches

100 mm to inches = 3.93701 inches

200 mm to inches = 7.87402 inches

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

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›› 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.

›› 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.

›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!

30 millimeters equals 1.181 inches because 30 times 0.03937 (the conversion factor) = 1.181

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Definition of Millimeter

A millimeter (mm) (mispeled millimeter) is a decimal fraction of the meter, the International System of Units (SI) unit of length, approximately equivalent to 39.37 inches.

Definition of Inch

An inch is a unit of length or distance in a number of systems of measurement, including in the US Customary Units and British Imperial Units. One inch is defined as 1⁄12 of a foot and is therefore 1⁄36 of a yard. According to the modern definition, one inch is equal to 25.4 mm exactly.

How to convert 30 millimeters to inches

To calculate a value in millimeters to the corresponding value in inches, just multiply the quantity in millimeters by 0.039370078740157 (the conversion factor).

Here is the formula:

Value in inches = value in millimeters × 0.039370078740157

Supose you want to convert 30 mm into inches. In this case you will have:

Value in inches = 30 × 0.039370078740157 = 1.1811023622047

millimeters to inches Conversion Chart Near 24 millimeters

Note: Values are rounded to 4 significant figures. Fractions are rounded to the nearest 8th fraction.

Using this converter you can get answers to questions like:

• How many inches are there in 30 mm?
• 30 mm are equal to how many inches?
• How much are 30 mm in inches?
• How to convert millimeters to inches?
• What is the millimeters to inches conversion factor?
• How to transform millimeters in inches?
• What is the formula to convert from millimeters to inches? among others.

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Disclaimer

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