One inch equals exactly 2.54 centimeters. This conversion is essential for screen sizes, paper dimensions, and countless DIY projects that mix Imperial and metric measurements.
Formula: centimeters = inches x 2.54.
Inches to Centimeters Converter
Quickly find out how many centimeters your inches are
How to inches to cm
- 1.Enter the number of inches.
- 2.The centimeter equivalent appears instantly.
- 3.Use swap to go from cm to inches.
- 4.Click a common value for a quick lookup.
About This Tool
Frequently Asked Questions
1 inch equals exactly 2.54 centimeters.
Multiply the diagonal inches by 2.54. For example, a 55-inch TV has a 139.7 cm diagonal.
This was defined by international agreement in 1959 to standardize the inch across countries.