CM to Inch Converter
Convert centimetres to inches and inches to centimetres instantly with our free online tool. Perfect for measuring length, height, and dimensions. 1 inch = 2.54 cm.
How to Convert Centimeters to Inches
Converting centimeters to inches is straightforward: 1 inch equals exactly 2.54 centimeters. To convert cm to inches, divide the number of centimeters by 2.54. For example, 10 cm ÷ 2.54 = 3.937 inches. To convert inches to cm, multiply the inches by 2.54.
This converter supports both directions simultaneously. Enter a value in either field, and the other will update automatically. Use it for measuring height, screen sizes, clothing dimensions, or any length measurement.
Why Use This Converter?
Our CM to Inch converter is designed for speed and accuracy. Whether you're working on a DIY project, shopping online, or converting body measurements, this tool gives you instant, precise results. No need to memorize formulas — just enter your value and click convert.
Understanding the Units
The centimeter (cm) is a metric unit of length equal to one-hundredth of a meter. The inch (in) is an imperial unit commonly used in the United States, UK, and Canada. The exact relationship is defined as 1 inch = 2.54 cm. This fixed conversion factor makes it easy to switch between the two systems.
Common Uses for CM to Inch Conversion
- Height Measurement: Converting body height between centimeters and feet/inches.
- Screen Sizes: TV, monitor, and smartphone screen sizes are often given in inches.
- Clothing & Shoe Sizes: International size charts often use both cm and inches.
- DIY & Woodworking: Measuring materials and dimensions in different unit systems.
- Education & Science: Converting between metric and imperial units in experiments and homework.
How Accurate Is This Converter?
This converter uses the exact conversion factor 1 inch = 2.54 cm and supports decimal values for high precision. All calculations are performed using JavaScript's number system, which handles floating-point arithmetic accurately. For most practical purposes, the result is accurate to several decimal places.
Frequently Asked Questions
There are approximately 0.393701 inches in 1 centimeter. The exact conversion factor is 1 cm = 0.3937007874 inches. To convert centimeters to inches, divide the centimeter value by 2.54.
To convert cm to inches, divide the centimeter value by 2.54. For example: 10 cm ÷ 2.54 = 3.937 inches. Our converter does this instantly — just enter your centimeters and click 'Convert'.
Yes, 1 inch is exactly 2.54 cm. This is the internationally agreed-upon conversion factor. To convert inches to cm, multiply by 2.54.
Yes, this converter supports both directions. Enter a value in inches and the tool will show the equivalent in centimeters, and vice versa.
The formula is: inches = centimeters ÷ 2.54. For inches to cm: centimeters = inches × 2.54.
To convert cm to feet and inches, first divide by 2.54 to get total inches. Then divide by 12 to get feet, and the remainder is inches. For example, 170 cm ÷ 2.54 = 66.93 in, which is 5 feet 6.93 inches (5 ft 7 in approx).