Millimeters to Inches Converter (mm to in) (2024)


Convert Inches to Millimeters (in to mm)▶

Conversion Table

millimeters to inches
mmin
10 mm 0.3937 in
20 mm 0.7874 in
30 mm 1.1811 in
40 mm 1.5748 in
50 mm 1.9685 in
60 mm 2.3622 in
70 mm 2.7559 in
80 mm 3.1496 in
90 mm 3.5433 in
100 mm 3.937 in
110 mm 4.3307 in
120 mm 4.7244 in
130 mm 5.1181 in
140 mm 5.5118 in
150 mm 5.9055 in
160 mm 6.2992 in
170 mm 6.6929 in
180 mm 7.0866 in
190 mm 7.4803 in
200 mm 7.874 in

How to convert

1 millimeter (mm) = 0.0393701 inch (in). Millimeter (mm) is a unit of Length used in Metric system. Inch (in) is a unit of Length used in Standard system.

Millimeter: A Unit of Length

A millimeter is a unit of length in the metric system, which is based on the International System of Units (SI). It is defined as one thousandth of a meter, which is the SI base unit of length. One millimeter can be written as 1 mm or 0.001 m.

How to convert millimeter to other units of length

To convert millimeter to other units of length, we need to use conversion factors that relate the millimeter to the desired unit. For example, to convert millimeter to centimeter, we need to know that 1 cm = 10 mm, so we can divide the number of millimeters by 10 to get the number of centimeters. Similarly, to convert millimeter to inch, we need to know that 1 in = 25.4 mm, so we can divide the number of millimeters by 25.4 to get the number of inches.

Here are some common conversion factors for millimeter and other units of length in the US standard system and the SI system:

  • 1 mm = 0.1 cm
  • 1 mm = 0.03937 in
  • 1 mm = 0.001 m
  • 1 mm = 0.000001 km
  • 1 mm = 0.00000062137 mi
  • 1 mm = 0.00000053996 nmi
Millimeters also can be marked as millimetres.

Inch: A Unit of Length

The inch (in) is a unit of length used in the US customary system, which is one of the systems of measurement used in the United States and some other countries. The inch is equal to 1/12 of a foot or 2.54 centimeters. The inch is also a derived unit in the imperial system, which is the official system of measurement for the United Kingdom and some other Commonwealth countries. The symbol for inch is in or ″. The inch is used for measuring short distances and dimensions, such as the length of a nail or the width of a finger. The inch is named after the Latin word uncia, meaning one-twelfth. In this article, we will explore the definition, history, usage and conversion of the inch as a unit of length.

How to Convert Inch to Other Units of Length in the US Customary System

To convert inch to other units of length in the US customary system, we need to know the relationship between inch and other units. Here are some common units and their equivalent values in inches:

  • 1 foot = 12 inches
  • 1 yard = 36 inches
  • 1 mile = 63,360 inches
  • 1 mil = 0.001 inch

To convert inch to any of these units, we need to multiply or divide by the appropriate factor. For example, to convert 10 inches to feet, we need to divide by 12:

10 inches / 12 = 0.833 feet

To convert 10 inches to miles, we need to divide by 63,360:

10 inches / 63,360 = 0.000158 miles

To convert 10 inches to mils, we need to multiply by 1000:

10 inches x 1000 = 10,000 mils

How to Convert Inch to Other Units of Length in the SI System

To convert inch to other units of length in the SI system, we need to know the relationship between inch and meter. One inch is equal to 0.0254 meters.

To convert inch to any other unit of length in the SI system, we need to multiply or divide by the appropriate power of ten and add a prefix. Here are some common units and their equivalent values in inches:

  • 1 centimeter = 0.39370079 inches
  • 1 millimeter = 0.039370079 inches
  • 1 micrometer = 3.9370079 x 10-5 inches

To convert inch to any of these units, we need to multiply by the appropriate factor and add a prefix. For example, to convert 10 inches to centimeters, we need to multiply by 2.54:

10 inches x 2.54 = 25.4 centimeters

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Millimeters to Inches Converter (mm to in) (2024)

FAQs

Millimeters to Inches Converter (mm to in)? ›

Answer: 20 millimeters is equal to approximately 0.7874 inches.

Is 20 mm the same as 1 inch? ›

Answer: 20 millimeters is equal to approximately 0.7874 inches.

What size is 1 mm in inches? ›

One millimeter is approximately equal to 0.0394 inches. There are 25.4 millimeters in an inch.

How much is 40 mm of rain in inches? ›

If you want to convert its value into inches, here is the calculation. 40 mm to inches = 40 X 0.039 = 1.56 inches. Objects that need exact measurements are usually measured in millimeters.

How big is 10 mm compared to 1 inch? ›

10mm = just over 3/8 inch. 11mm = almost 7/16 inch. 12mm = almost 15/32 inch (= almost 1/2 inch)

Which is bigger 1 inch or 25 mm? ›

1 inch = 25.4 millimeters. 1 inch = 2.54 centimeters. 1 centimeter = 10 millimeters. 100 centimeters = 1 meter.

Is 10 to 15 mm a lot of rain? ›

Moderate rain — when the precipitation rate is between 2.5–7.6 mm (0.098–0.299 in) or 10 mm (0.39 in) per hour. Heavy rain — when the precipitation rate is > 7.6 mm (0.30 in) per hour, or between 10 and 50 mm (0.39 and 1.97 in) per hour. Violent rain — when the precipitation rate is > 50 mm (2.0 in) per hour.

Is 2 millimeters of rain a lot? ›

Heavy rain: Greater than 4 mm per hour, but less than 8 mm per hour. Very heavy rain: Greater than 8 mm per hour. Slight shower: Less than 2 mm per hour. Moderate shower: Greater than 2 mm, but less than 10 mm per hour.

How many mm is 1 ⁄ 8 inch? ›

To convert 1/8 inch to mm, divide 1 by 8 to convert the fraction to a decimal. Then, multiply that by 25.4 since there are 25.4 millimeters in one inch. That's the formula that our calculator uses to find that 1/8 inch to millimeters is 3.175 mm.

Is 32 mm equal to 1 inch? ›

Example #3: If an item measures 32mm tall... so 32mm is about 1-1/4" tall.

How much is 20 mm on a ruler? ›

20 mm= 0.787 inches. To convert millimeters (mm) to inches, you can use the conversion factor that 1 inch is equal to 25.4 millimeters.

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