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Convert inches to cm, cm to inches

Convert inches to cm

inches
cm

Convert cm to inches

cm
inches

How to convert inches to cm: Use the conversion calculator titled "Convert inches to cm". Enter a value in the inches field and click on the "Calculate cm" button. Your answer will appear in the cm field.

How to convert cm to inches: Use the conversion calculator titled "Convert cm to inches". Enter a value in the cm field and click on the "Calculate inches" button. Your answer will appear in the inches field.

Conversion Formulas

Inch (in) is a unit of length in US Customary Units as well as the Imperial System. Centimeter (cm) is a unit of length in the Metric System. So when you convert between these units, you are performing a conversion between units within different measurement systems.

Let's take a closer look at the conversion formulas so that you can do these conversions yourself either with a calculator or with an old-fashioned pencil and paper.

The formula to convert from inches to cm is:

cm = in x 2.54

The formula to convert from cm to inches is:

in = cm x 0.393700787

Conversion Examples

Next, let's look at some examples showing the work and calculations that are involved in converting between inches (in) and centimeters (cm).

Inches to Centimeter Conversion Example

Task: Convert 24 inches to centimeters (show work)

Formula:
in x 2.54 = cm

Calculations:
24 in x 2.54 = 60.96 cm

Result:
24 inches is equal to 60.96 cm

Centimeter to Inches Conversion Example

Task: Convert 72 centimeters to inches (show work)

Formula:
cm x 0.393700787 = in

Calculations:
72 cm x 0.393700787 = 28.346456664 in

Result:
72 cm is equal to 28.346456664 inches

Conversion Tables

For quick reference purposes, below are conversion tables that you can use to convert from inches to cm, and cm to inches.

Inches to Centimeters Conversion Chart

inches (in) centimeters (cm)
1 in 2.54 cm
2 in 5.08 cm
3 in 7.62 cm
4 in 10.16 cm
5 in 12.7 cm
6 in 15.24 cm
7 in 17.78 cm
8 in 20.32 cm
9 in 22.86 cm
10 in 25.4 cm
11 in 27.94 cm
12 in 30.48 cm
18 in 45.72 cm
24 in 60.96 cm
30 in 76.2 cm
36 in 91.44 cm
42 in 106.68 cm
48 in 121.92 cm

Centimeters to Inches Conversion Chart

centimeters (cm) inches (in)
1 cm 0.393700787 in
2 cm 0.787401574 in
3 cm 1.181102361 in
4 cm 1.574803148 in
5 cm 1.968503935 in
10 cm 3.93700787 in
25 cm 9.842519675 in
50 cm 19.68503935 in
75 cm 29.527559025 in
100 cm 39.3700787 in
250 cm 98.42519675 in
500 cm 196.8503935 in
750 cm 295.27559025 in
1,000 cm 393.700787 in
1,500 cm 590.5511805 in
2,000 cm 787.401574 in
2,500 cm 984.2519675 in
3,000 cm 1,181,102361 in

Conversion Definitions

The following is a list of definitions relating to conversions between inches and centimeters.

What is an inch (in)?

An inch is a unit of length in both US Customary Units as well as the Imperial System. The symbol for inch is in or ". There are 12 inches in a foot or 36 inches in a yard.

What is a centimeter (cm)?

A centimeter is a unit of length in the Metric System. The symbol for centimeter is cm. There are 100 centimeters in a meter. The International spelling is centimetre.

How many inches in a centimeter?

There are 0.393700787 inches in a centimeter.

How many centimeters in an inch?

There are 2.54 centimeters in an inch.

Understanding the Length Units

This table provides a summary of the Length units within their respective measurement systems.

Unit Symbol Measurement System Description
inches in or " US Customary Units (and Imperial)  
feet ft or ' US Customary Units (and Imperial) 1 foot = 12 inches
yards yd US Customary Units (and Imperial) 1 yard = 3 feet
miles mi US Customary Units (and Imperial) 1 mile = 1760 yards or 5280 feet
millimeter mm Metric System 1000 mm = 1 m
centimeter cm Metric System 100 cm = 1 m, 1 cm = 10 mm
decimeter dm Metric System 10 dm = 1 m, 1 dm = 10 cm
meter m Metric System 1 m = 1000 mm, 100 cm, 10 dm
kilometer km Metric System 1 km = 1000 m