The most-searched unit conversion in the world: centimeters to inches.
What this calculator does
1 inch = 2.54 centimeters exactly. This is the international standard.
How it works
To convert cm to inches: divide by 2.54. To convert inches to cm: multiply by 2.54.
Height is commonly expressed in cm in Europe and in feet/inches in the US.
When to use this calculator
Reach for this tool whenever a unit mismatch is slowing down a task. Instantaneous conversion eliminates the back-and-forth of manual multiplication and removes the risk of using the wrong factor.
Common mistakes
Many unit conversion errors arise from treating multiples incorrectly. Converting millimetres to kilometres, for example, requires two separate steps (mm → m, m → km), not a single division by 100.
Real-world scenarios
A baker scaling a recipe from a US cookbook encounters measurements in cups and ounces. Converting each ingredient to metric grams makes weighing straightforward and ensures consistent results, particularly for baked goods where imprecise measurement affects texture.
Frequently asked questions
How many cm in an inch?
1 inch = exactly 2.54 centimeters.
How do I convert cm to feet and inches?
Divide cm by 30.48 to get feet. The remainder divided by 2.54 gives inches. Example: 180 cm = 5 ft 10.87 in.