Convert Inches to Centimeters (in → cm)
Use our free online inch to centimeter converter. Enter a value in inches and get the result in centimeters instantly. Perfect for converting screen sizes, measurements, and dimensions.
Conversion Formula
cm = in × 2.54
To convert inches to centimeters, multiply the inch value by 2.54
Example Calculation:
Convert 10 inches to centimeters:
10 in × 2.54 = 25.4 cm
Inches to Centimeters Conversion Table
| 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 | 12.7 cm |
| 6 in | 15.24 cm |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 24 in | 60.96 cm |
| 25 in | 63.5 cm |
| 30 in | 76.2 cm |
| 36 in | 91.44 cm |
| 40 in | 101.6 cm |
| 48 in | 121.92 cm |
| 50 in | 127 cm |
| 60 in | 152.4 cm |
| 72 in | 182.88 cm |
| 100 in | 254 cm |
Quick reference: 1 in = 2.54 cm
Understanding Inches and Centimeters
What is an Inch?
The inch is a unit of length in the imperial and US customary systems of measurement. It is defined as exactly 2.54 centimeters. The inch is widely used in the United States, United Kingdom, and Canada for everyday measurements, particularly for screen sizes, paper dimensions, and construction materials.
What is a Centimeter?
The centimeter is a unit of length in the metric system, equal to one hundredth of a meter. It is commonly used worldwide for measuring small distances and dimensions, particularly in countries that have adopted the metric system. The centimeter is widely used in everyday measurements, engineering, and science.
Frequently Asked Questions
1. How many centimeters are in an inch?
1 inch equals exactly 2.54 centimeters. This is a fixed conversion factor defined internationally.
2. How do you convert inches to cm?
To convert inches to centimeters, multiply the number of inches by 2.54. For example, 10 inches × 2.54 = 25.4 cm.
3. What is 5 inches in cm?
5 inches equals 12.7 centimeters (5 × 2.54 = 12.7).
4. Is 1 inch exactly 2.54 cm?
Yes, 1 inch is defined as exactly 2.54 centimeters. This has been the international standard since 1959.
5. What is the formula for inch to cm?
The formula is: centimeters = inches × 2.54