Convert Centimeters to Inches – Length Converter
Use this converter to move seamlessly between centimeter and inch with instant precision.
Interactive Converter
Convert between centimeter and inch with precision rounding.
Quick reference table
| Centimeter | Inch |
|---|---|
| 1 cm | 0.3937 in |
| 5 cm | 1.9685 in |
| 10 cm | 3.937 in |
| 25 cm | 9.8425 in |
| 50 cm | 19.685 in |
| 100 cm | 39.3701 in |
How to use this Centimeter 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 inch back to centimeter.
Conversion formula explained
To convert centimeter to inch, multiply the input value by the precise conversion factor derived from international measurement standards. The formula looks like this:
in = (cm × 0.39370079)
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 centimeter to inch?
Multiply your value in centimeter by 0.39370079 to obtain the equivalent in inch.
Can I convert inch back to centimeter?
Yes. Hit the swap button in the converter to reverse the calculation or multiply your inch value by 2.54 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.