Online calculators to convert inches to centimeters (in to cm) and centimeters to inches (cm to in) with additional formulas, examples, and conversion tables. Our conversions provide a quick and easy way to convert between these units.
Enter your value in one of the conversion calculators below to convert inches to cm or convert cm to inches.
Let's take a closer look at the conversion formulas so that you can do these conversions yourself 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
Next, let's look at some examples showing the work and calculations that are involved in converting between inches (in) and centimeters (cm).
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
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
For quick reference purposes, below are conversion tables that you can use to convert from inches to cm, and cm to inches.
|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|
|20 in||50.8 cm|
|30 in||76.2 cm|
|40 in||101.6 cm|
|50 in||127 cm|
|75 in||190.5 cm|
|100 in||254 cm|
|250 in||635 cm|
|500 in||1,270 cm|
|750 in||1,905 cm|
|1,000 in||2,540 cm|
|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|
|6 cm||2.362204722 in|
|7 cm||2.755905509 in|
|8 cm||3.149606296 in|
|9 cm||3.543307083 in|
|10 cm||3.93700787 in|
|20 cm||7.87401574 in|
|30 cm||11.81102361 in|
|40 cm||15.74803148 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|
The following is a list of definitions relating to conversions between inches and centimeters.
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.
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.
There are 0.393700787 inches in a centimeter.
There are 2.54 centimeters in an inch.
This table provides a summary of the Length units within their respective measurement systems.
|inches||in or "||US Customary Units/Imperial System|
|feet||ft or '||US Customary Units/Imperial System||1 foot = 12 inches|
|yards||yd||US Customary Units/Imperial System||1 yard = 3 feet|
|miles||mi||US Customary Units/Imperial System||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|