Convert cm to inches (2024)

Convert cm to inches (1)

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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 cm0.0039370079 in
0.1 cm0.0393700787 in
1 cm0.3937007874 in
2 cm0.7874015748 in
3 cm1.1811023622 in
5 cm1.968503937 in
10 cm3.937007874 in
20 cm7.874015748 in
50 cm19.6850393701 in
100 cm39.3700787402 in
1000 cm393.7007874016 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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Convert cm to inches (2024)

FAQs

Convert cm to inches? ›

All you need to do is multiply the number of centimeters by 0.39 to get the equivalent measurement in inches. For example, if you have 20 centimeters, you would multiply 20 by 0.39 to get 7.8 inches. This trick works because 1 inch is equal to 2.54 centimeters, and 0.39 is the inverse of 2.54.

What is the formula for converting centimeters to inches? ›

There are 2.54 centimeters in 1 inch. Using the conversion number of 0.3937, the conversion formula for converting x centimeters to inches is this: x centimeters * 0.3937 = inches.

How to convert cm to inches mentally? ›

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.

How do I change word from cm to inches? ›

Go to File > Options > Advanced. Scroll down to Display. Select the unit you want in Show measurements in units of. Select OK.

What is 40 cm long in inches? ›

There are 15.748 inches in 40 centimeters (cm).

How to convert inches to cm? ›

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.

How do you convert 1 cm to inches? ›

We know that 1 cm = 0.393701 inches. To convert 20 cm to inches, multiply 20 cm by 0.393701 inches.

How do you convert cm to inches and feet? ›

Divide the measurement in centimeters by 30.48 to convert to feet. Round down the result to get the number of feet first and write it down. We'll use the decimal part (before rounding) to get the inches. Multiply this decimal part by 12 to obtain the number of inches.

What is the trick for metric conversion? ›

When converting from a large unit to a smaller unit, shift the decimal point one digit to the right for each power of ten that your desired units differ from your initial units.

What would cm be in inches? ›

One centimetre is equivalent to 0.39 inches, the latter is taken as the base for the conversion. To get the value of inches from centimetres, you need to multiply 0.39 by the unit of centimetres.

How to convert cm to inches in C language? ›

*/ // Print a title printf("Convert centimeters to inches and feet\n"); { printf("Input Length in Centimeters: "); // Prompt user for input scanf("%i", & centimeters); // Get input form user for length in cm } // conversion calcs inches = (double)centimeters * 2.54; feet = (double) inches / 12; /* ...

How do you write cm and inches? ›

A: To express a value in centimeters, simply type cm. Example: Seven centimeters can be written as 7 cm. The apostrophe and quotation mark are used to express feet ' and inches “ .

How to change cm to inches in Excel? ›

On the Excel menu, click Preferences. Under Authoring, click General . On the Ruler units menu, click the unit of measurement that you want to use. Tip: You can also see the column width by dragging the column separator on the sheet and observing the ScreenTips as you drag.

Is 2 cm the same as 1 inch? ›

The relationship between inch and cm is that one inch is exactly equal to 2.54 cm in the metric system.

How many cm does it take to make an inch? ›

The value of 1 inch is approximately equal to 2.54 centimeters.

Is 3 cm the same as 1 inch? ›

A common conversion is 1 in = 2.54 cm. Thus, 3 cm is greater than 1 inch. In fact, 3 cm is approximately 1.18 in, which is indeed bigger than 1 inch.

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