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length conversion

How many centimeters are in 1 inch?

Quick answer, a live calculator, and reference values—built for fast, mobile-friendly lookups.

Main answer
1 inch = 2.54 centimeters
Result
1 inch = 2.54 centimeters

Factor: 2.54

There are 2.54 centimeters in 1 inch.

1 inch equals 2.54 centimeters. An inch is a common length unit for everyday sizing, crafts, and travel. A centimeter is another length unit you'll often see on rulers, road signs, and product dimensions.
Need the other direction?
Convert centimeters to inches.

Examples

  • 1 inch
    2.54 centimeters
  • 5 inches
    12.7 centimeters
  • 10 inches
    25.4 centimeters
  • 100 inches
    254 centimeters

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