Convert inches to cm (2024)

Convert inches to cm (1)

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


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

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 to Centimeter Conversion Table

Inch [in]Centimeter [cm]
0.01 in0.0254 cm
0.1 in0.254 cm
1 in2.54 cm
2 in5.08 cm
3 in7.62 cm
5 in12.7 cm
10 in25.4 cm
20 in50.8 cm
50 in127 cm
100 in254 cm
1000 in2540 cm

How to Convert Inch to Centimeter

1 in = 2.54 cm
1 cm = 0.3937007874 in

Example: convert 15 in to cm:
15 in = 15 × 2.54 cm = 38.1 cm

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Convert inches to cm (2024)

FAQs

Convert inches to cm? ›

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

How do I change word from inches to cm? ›

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

How to remember cm to inches? ›

Relation Between Inch and Cm

To convert cm to inches or inches to cm, the relationship between inch and cm is that one inch is exactly equal to 2.54 cms in the metric system. Therefore, to convert cm to inches, we need to divide the value in centimeters by 2.54.

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.

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? ›

Inches and centimeters are both units of measuring length, where centimeters can be abbreviated as "cm" and inches can be abbreviated as "in". The relation between inches and cm can be understood by the fact that one inch is equal to 2.54 centimeters or one centimeter is equal to 0.3937 inches approximately.

What is the manual conversion of cm to inches? ›

To convert centimeters to inches, multiply the number of centimeters by 0.39. The result will be the measurement in inches. You can also also divide the number of centimeters by 2.54 to get the inches.

How to convert inches to cm in your head? ›

One inch is equal to roughly 2.54 centimeters, so converting inches to centimeters means multiplying a value in inches by 2.54.

How do you factor inches into centimeters? ›

To convert inches to centimeters, multiply the length in inches by 2.54, as 1 inch is approximately equal to 2.54 centimeters. Why is the conversion factor 2.54 for inches to centimeters?

How to convert inches to cm? ›

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. To convert inches to the centimeter values, multiply the given inch value by 2.54 cm. 1 cm = 0.393701 inches.

What mean 5 inches in cm? ›

Answer and Explanation:

1 inch is approximately 2.54 centimeters, and there are 5 inches, so 5 ∗ 2.54 = 12.7 c m , meaning 5 inches is around 12.7 centimeters.

How many centimeters is 12 inches? ›

By the unitary method, 12 inches = 30.48 centimeters, but it shows only 30 cm on the ruler.

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