Inches to Centimeters Converter (in to cm)
Easily convert between inches (in) and centimeters (cm) with our simple, bidirectional converter. This tool also supports fractional inches, making it perfect for both precise measurements and everyday use. Just enter a value in either field to get an instant conversion.
Enter a decimal or a whole number and a fraction (like 1/2, 3/8).
Enter a value in centimeters to convert to inches.
Dynamic Conversion Chart
Based on your input, here is a chart of nearby values.
| Inches (in) | Centimeters (cm) |
|---|
The Conversion Formula
The conversion between inches and centimeters is based on a single, exact value defined by international agreement:
This means that to convert from inches to centimeters, you multiply your inch value by 2.54. Conversely, to convert from centimeters to inches, you divide your centimeter value by 2.54.
- Formula (in to cm): $cm = inches \times 2.54$
- Formula (cm to in): $inches = cm \div 2.54$
How to Convert Inches to Centimeters
Follow these simple steps to manually convert any measurement from inches to cm.
- Get your measurement in inches. This can be a decimal (like 6.5) or a fraction (like 6 1/2). If it's a fraction, convert it to a decimal first (e.g., 1/2 = 0.5, so 6 1/2 = 6.5).
- Multiply by 2.54. Take your decimal inch value and multiply it by 2.54.
- The result is your length in centimeters.
Example: Convert 8 inches to cm.
$8 \text{ in} \times 2.54 = 20.32 \text{ cm}$
Inches to Centimeters Quick Reference Table
Here is a quick lookup table for common conversions, especially useful for measurements on a standard 12-inch ruler.
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.70 cm |
| 6 in | 15.24 cm |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.40 cm |
| 11 in | 27.94 cm |
| 12 in (1 ft) | 30.48 cm |