Inches to Centimeters Converter
Enter a value to instantly convert between length units.
1 Inch = 2.54 Centimeter
Key Formulas
Centimeter → Inch
in = cm × 0.393701Kilometer → Mile
mi = km × 0.621371Foot → Meter
m = ft × 0.3048Inch → Centimeter
cm = in × 2.54Formula
cm = in × 2.54Screen diagonals, US furniture dimensions, and many clothing measurements are stated in inches, while metric specifications use centimeters. Convert inches to centimeters when comparing a product with a metric size chart or available space. One international inch is exactly 2.54 centimeters.
Source: NIST SP 811, Appendix B.9
Reviewed by the Convert Calc editorial team · Last reviewed: · see our methodology
Frequently Asked Questions
Real-World Examples
A one-inch dimension is exactly 2.54 centimeters under the international definition.
1 in = 2.54 cm
A 27-inch monitor is 68.6 cm diagonally
27 in = 68.58 cm
A 6-inch screen diagonal converts to 15.24 centimeters for a metric product listing.
6 in = 15.24 cm
A standard 12-inch ruler is exactly 30.48 cm — handy to know when buying a replacement ruler abroad that lists its length in centimeters
12 in = 30.48 cm
Related Converters
See This in Context
Further Reading
-
How to Take Body Measurements for Accurate Clothing Sizes
Which body measurements clothing sizes are actually based on, how to take them accurately at home, and why your 'usual size' doesn't always travel between brands or countries.
-
Shoe Size Conversion Guide: US, UK, EU, and Centimeters
Why shoe sizes don't convert with a simple formula, how US, UK, and EU sizing systems differ, and how to measure your foot to find your true size.