Convert cm to inches (2024)

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Please provide values below to convert centimeter [cm] to inch [in], or vice versa.

Centimeter

Definition: A centimeter (symbol: cm) is a unit of length in the International System of Units (SI), the current form of the metric system. It is defined as 1/100 meters.

History/origin: A centimeter is based on the SI unit meter, and as the prefix "centi" indicates, is equal to one hundredth of a meter. Metric prefixes range from factors of 10^-18 to 10¹⁸ based on a decimal system, with the base (in this case the meter) having no prefix and having a factor of 1. Learning some of the more commonly used metric prefixes, such as kilo-, mega-, giga-, tera-, centi-, milli-, micro-, and nano-, can be helpful for quickly navigating metric units.

Current use: The centimeter, like the meter, is used in all sorts of applications worldwide (in countries that have undergone metrication) in instances where a smaller denomination of the meter is required. Height is commonly measured in centimeters outside of countries like the United States.

Inch

Definition: An inch (symbol: in) is a unit of length in the imperial and US customary systems of measurement. An inch was defined to be equivalent to exactly 25.4 millimeters in 1959. There are 12 inches in a foot and 36 inches in a yard.

History/origin: The term "inch" was derived from the Latin unit "uncia" which equated to "one-twelfth" of a Roman foot.

There have been a number of different standards for the inch in the past, with the current definition being based on the international yard. One of the earliest definitions of the inch was based on barleycorns, where an inch was equal to the length of three grains of dry, round barley placed end-to-end. Another version of the inch is also believed to have been derived from the width of a human thumb, where the length was obtained from averaging the width of three thumbs: a small, a medium, and a large one.

Current use: The inch is mostly used in the United States, Canada, and the United Kingdom. It is also sometimes used in Japan (as well as other countries) in relation to electronic parts, like the size of display screens.

Centimeter to Inch Conversion Table

Centimeter [cm]	Inch [in]
0.01 cm	0.0039370079 in
0.1 cm	0.0393700787 in
1 cm	0.3937007874 in
2 cm	0.7874015748 in
3 cm	1.1811023622 in
5 cm	1.968503937 in
10 cm	3.937007874 in
20 cm	7.874015748 in
50 cm	19.6850393701 in
100 cm	39.3700787402 in
1000 cm	393.7007874016 in

How to Convert Centimeter to Inch

1 cm = 0.3937007874 in
1 in = 2.54 cm

Example: convert 15 cm to in:
15 cm = 15 × 0.3937007874 in = 5.905511811 in

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FAQs

How do you convert cm to inches? ›

As we know that one centimeter is approximately equal to 0.393701 inches, the conversion from the unit centimeters to inches can be performed easily. Thus to convert cm to inches, multiply the given centimeter value by 0.393701.

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Is there 10 cm in 1 inch? ›

The formula to convert the length or height given in inches into its equivalent centimeter is given by; The value of 1 inch is approximately equal to 2.54 centimeters.

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What size is 20 cm in inches? ›

Answer: 20 centimeters equals 7.87402 inches.

To convert centimeters to inches we have to divide that number by 2.54. Centimeter is a unit of length in the metric system while inches is part of the US customary system of measurement. 100 centimeters make up a meter.

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How many inches is 30 Centimetres? ›

Answer: 30 cm equals 11.811 inches.

You can use this calculator to perform metric computations.

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How many cm in an inch exactly? ›

Inches to Centimeters Chart

Inches	Centimeter
in	1.27 cm
1 in	2.54 cm
2 in	5.08 cm
3 in	7.62 cm

11 more rows

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Is 2.5 cm equal to 1 inch? ›

2.5 cm is equal to a whopping 0.984252 inches!

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What does 10 cm look like in inches? ›

Answer: 10 cms is equal to 3.93700787 inches

Inches and centimeters are measuring units of length. One Inch is equal to 2.54 centimeters, and there are 39.37 inches in a meter. Centimeters are smaller than Inches. Use this calculator to convert inches to cm and vice versa.

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How do you convert 1 cm to inches? ›

Cm to Inches Conversion Formula

To convert cm to inches, we need to divide the length in centimeters by 2.54. Example: Convert 50 cm to inches. Also, 1 cm = inches = 0.3937 inches. To convert a length in centimeters to inches, you can also multiply the value in centimeters by the conversion factor of 0.3937.

Is 10 cm 4 inches? ›

An inch is roughly 2.5 cm or exactly 2.54 cm. So 10 cm is about four inches, but 3.937008 inches is more precise.

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What size is 7 inches in cm? ›

Inches to centimeters conversion table

Inches (")	Centimeters (cm)
7 in	17.78 cm
8 in	20.32 cm
9 in	22.86 cm
10 in	25.40 cm

23 more rows

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How long is 7cm? ›

Therefore, 7 centimeters is approximately 2.76 inches.

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How big is 5 centimeters? ›

5 centimeters is equal to 50 millimeters (mm), 1.97 inches, just slightly under 2 inches. Knowing how long five centimeters (cm) is important for educational and useful reasons. This unit is part of the metric system used worldwide for most scientific and everyday measures.

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Is 1 foot exactly 30 cm? ›

Centimeter is considered as a part of the metric system and is used in the International System of units. The unit feet is used in the US customary measurement system. One foot is approximately equal to 30.48 centimeters.

How deep is 40 cm? ›

Answer and Explanation:

One centimeter is equal to 0.393701 inches. To figure out how many inches is equivalent to 40 cm, you need to multiply 0.393701 (the number of inches in one centimeter) by 40 (the number of centimeters you have). This tells you that 40 cm is equivalent to 15.748 inches.

What is the 1 inch in CM? ›

1 inch is equal to 2.54 centimeters. It means that to convert inches to centimeters multiply the given figure by 2.54.

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How many cm means 1 inch? ›

1 inch is equal to 2.54 centimeters. It means that to convert inches to centimeters multiply the given figure by 2.54. Also, read: Relation between inch and cm.

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What does 1 cm look like in inches? ›

1 centimeter is equal to 0.3937 inches, or 1 inch is equal to 2.54 centimeters.

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How do you convert cm to feet and inches in height? ›

To convert the value of length from centimeters to foot with inches, follow the below steps: Step 1: Convert cm to inches: Divide the length value by 2.54. Step 2: Now divide the obtained value in step 1 by 12 to get value in feet.

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