Convert Inches to Centimeters – Length Converter
Use this converter to move seamlessly between inch and centimeter with instant precision.
Interactive Converter
Convert between inch and centimeter with precision rounding.
Quick reference table
| Inch | Centimeter |
|---|---|
| 1 in | 2.54 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
How to use this Inch converter
- 1. Enter the value you want to convert in the first input field. You can type decimals or whole numbers.
- 2. The result updates instantly with our high-precision formulas, rounding to sensible decimal places for practical use.
- 3. Use the swap button to reverse the calculation and move from centimeter back to inch.
Conversion formula explained
To convert inch to centimeter, multiply the input value by the precise conversion factor derived from international measurement standards. The formula looks like this:
cm = (in × 2.54)
We compute the factor using the SI base unit as the truth source to guarantee accuracy even across chained conversions (e.g., meters → feet → inches).
Expert Q&A
What is the exact formula for inch to centimeter?
Multiply your value in inch by 2.54 to obtain the equivalent in centimeter.
Can I convert centimeter back to inch?
Yes. Hit the swap button in the converter to reverse the calculation or multiply your centimeter value by 0.39370079 to switch back.
How accurate is this converter?
We anchor every conversion to internationally recognized base units. The calculator rounds to sensible decimals for readability, but core math runs at double precision.