Inches to Centimeters Converter
Convert inches to cm instantly. Free online in to cm calculator—multiply by 2.54 (exact). For screens, sizes, and manufacturing.
How to Convert Inch to Centimeter
To convert inches to centimeters, multiply the number of inches by 2.54. One inch equals exactly 2.54 centimeters, making this conversion essential for international measurements and technical specifications.
Conversion Formula:
value * 2.5400000000Conversion Examples
Example: 6 inches to cm
- 6 × 2.54 = 15.24 cm
6 inches = 15.24 centimeters
Common small length reference.
Example: 32 inch TV to cm
- 32 × 2.54 = 81.28 cm
32 inches = 81.28 cm (diagonal label context)
Screen sizes are often quoted in inches.
Conversion Chart
| Inch | Centimeter |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 4 | 10.16 |
| 5 | 12.7 |
| 6 | 15.24 |
| 10 | 25.4 |
| 12 | 30.48 |
| 18 | 45.72 |
| 24 | 60.96 |
| 36 | 91.44 |
| 48 | 121.92 |
Conversion Formula
The formula to convert inches to centimeters is:
inches × 2.54 = centimeters
Mathematically, you can write this as:
inches × 2.54 centimeters/inch = centimeters
Since 1 inch equals exactly 2.54 centimeters by international standard, multiplying by 2.54 converts inches to centimeters using the standard international conversion factor.
Quick Conversion Tip
Quick conversion: Multiply inches by 2.54 to get centimeters. For example, 1 in = 2.54 cm, 10 in = 25.4 cm, 12 in = 30.48 cm. Remember that 1 inch equals exactly 2.54 centimeters by international standard.
Unit Definitions
Inch (in)
An inch is an imperial unit of length equal to 1/12 of a foot or exactly 2.54 centimeters. It is commonly used in the United States and United Kingdom for measuring length, height, and dimensions.
1 inch = 2.54 centimeters = 25.4 millimeters = 0.083333 feet = 0.027778 yards
Centimeter (cm)
A centimeter is a metric unit of length equal to one-hundredth of a meter (1/100 m). It is a practical unit for everyday measurements and is commonly used in science, engineering, and daily life worldwide.
1 centimeter = 10 millimeters = 0.01 meters = 0.00001 kilometers = 0.393701 inches
Common Use Cases
- TV, monitor, and phone screen diagonal comparisons.
- Clothing and shoe size charts (US vs EU).
- 3D printing and woodworking metric plans.
- Science lab measurements in cm from inch rulers.
Understanding the Conversion
Inches to centimeters uses the exact factor 2.54 cm per inch—critical for TVs, monitors, clothing, and machining tolerances.
Enter inches for instant cm. The relationship is fixed worldwide, so results match engineering and retail specs.
FAQs
How many cm in an inch?
Exactly 2.54 centimeters per inch.
How do I convert inches to cm?
Multiply inches by 2.54.
What is 12 inches in cm?
12 × 2.54 = 30.48 cm (one foot).