Inches (in) to Centimeters (cm) Converter

How many inches (in) are in 1 centimeter (cm)? What is the formula for how to convert inches to centimeters (in to cm)?

1 inch (in) = 2.54 centimeters (cm)
So we can say that there is 2.54 centimeters in 1 inch.
This means that the multiplication conversion factor to convert a quantity expressed in an inch unit of measurement to an equivalent quantity expressed in a centimeter unit of measurement is 2.54.

Inversely (or reciprocally),

1 centimeter (cm) = 0.39370078740157 inch (in)
So we can say that there is 0.39370078740157 inch in 1 centimeter.
This means that the division conversion factor to convert a quantity expressed in an inch unit of measurement to an equivalent quantity expressed in a centimeter unit of measurement is 0.39370078740157.

Knowing this inverse mathematical relationship between the two conversion factors and their reciprocal operations, we can derive two formulas to calculate and convert a quantity of length expressed in inches to an equivalent quantity of length expressed in centimeters (in to cm). Both formulas will yield the same result. The formulas are:

cm = in × 2.54    → This is the formula based on the multiplication conversion factor.

and

cm = in ÷ 0.39370078740157    → This is the formula based on the division conversion factor.

For example, if you have a length of 75 inches that you want to convert to centimeters, you would use either of the two formulas as follows:

cm = 75 in × 2.54 = 190.5 cm

cm = 75 in ÷ 0.39370078740157 = 190.5 cm

So, the result is the same using either formula, which is 190.5 centimeters.

Inches to centimeters (in to cm) conversion chart

To save you time and effort spent on having to perform manual calculations or look up conversion formulas every time a conversion from inches to centimeters is needed, here is a inches-to-centimeters conversion chart for your quick and easy reference. This conversion chart (or conversion table) shows common measurement values of length in inches and their equivalent measurement values in centimeters. These equivalent measurement values may be rounded off to 1 or 2 decimal places when it is mathematically expedient for everyday applications.

Conversion of 1 inch (in) to other units of length

Here is a reference list providing a conversion of 1 inch (in) to its equivalent values in various units of length, both metric and imperial:

What is an inch (in)?

Definition of inch: An inch is an imperial and US customary unit of length equal to 1/12 of a foot or 2.54 centimeters. It is often used in the United States and the United Kingdom, that follow these measurement systems for small measurements such as in construction and carpentry.

The abbreviation for inch is in. The single Unicode character ㏌ (U+33CC) represents the 2-character Latin abbreviation for inch. The Windows Alt code for this character ㏌ is Alt + 13260.

The informal symbol for inch is represented by a double prime (″) or double quote (“). For example, 12 inches can be written as 12″.

What is a centimeter (cm)?

Definition of centimeter: A centimeter is a unit of length in the International System of Units (SI), commonly known as the metric system. It is equal to one hundredth of a meter (10^-2 m). It is often used for everyday measurements involving shorter distances than meters, such as human height.

The abbreviation for centimeter is cm. The single Unicode character ㎝ (U+339D) represents the 2-character Latin abbreviation for centimeter. The Windows Alt code for this character ㎝ is Alt + 13213.