Convert inches to cm
Enter the value to convert from inch to centimeter.
How to Convert Inch to Centimeter
Converting inch to centimeter is straightforward using our conversion calculator.
Conversion Formula
cm = in × 2.54Reverse conversion: Convert cm to inches
Comparison: Inch vs Centimeter
When to Use Each Unit
Inch: Primary length unit in the United States for construction, manufacturing, and everyday measurements.
Centimeter: Widely used for measuring height, clothing sizes, small objects, and in medical applications. Standard unit in many consumer applications.
Common Conversion Values
- 1 in = 2.54 cm
- 1 in = 25.4 mm
- 12 in = 1 ft
- 1 in ≈ 0.0254 m
About Inch
Definition: The inch (symbol: in) is an imperial unit of length equal to 1/12 of a foot, approximately 2.54 centimeters.
History: Originally based on the width of a human thumb. Standardized in 1959 as exactly 25.4 millimeters internationally.
Current Use: Primary length unit in the United States for construction, manufacturing, and everyday measurements.
Examples: Screen sizes: 15-32 inches, screw sizes: 1/4-1 inch, lumber: 2×4 inches, pipe diameters: 1/2-12 inches
About Centimeter
Definition: The centimeter (symbol: cm) is a unit of length equal to one hundredth of a meter. Commonly used for measuring smaller objects and human dimensions.
History: Derived from the meter when the metric system was established. Became standard for body measurements and smaller object dimensions.
Current Use: Widely used for measuring height, clothing sizes, small objects, and in medical applications. Standard unit in many consumer applications.
Examples: Human height: 150-200cm, smartphone width: 7-8cm, credit card: 8.5×5.4cm, pencil length: 19cm