How to Convert Inches to Centimeters
Converting inches to centimeters is simple with our calculator above. The conversion formula is:
Centimeters = Inches × 2.54
This means that one inch is exactly 2.54 centimeters. To convert any inch measurement to centimeters, simply multiply the number of inches by 2.54. For quick reference, our converter tool above provides instant results with up to two decimal places accuracy.
Inches to CM Conversion Table (1-30 inches)
Comprehensive quick reference table for inches to centimeters conversions. Bookmark this page for easy access.
| Inches | Centimeters (CM) | Common Uses |
|---|---|---|
| 1 inch | 2.54 cm | Small measurements, jewelry |
| 2 inches | 5.08 cm | Small devices, buttons |
| 3 inches | 7.62 cm | Smartwatch screens |
| 4 inches | 10.16 cm | Small smartphone screens |
| 5 inches | 12.70 cm | Smartphone screens |
| 6 inches | 15.24 cm | Phablet screens |
| 7 inches | 17.78 cm | Small tablets |
| 8 inches | 20.32 cm | Standard tablets |
| 9 inches | 22.86 cm | Large tablets |
| 10 inches | 25.40 cm | Large tablets, small laptops |
| 11 inches | 27.94 cm | Chromebooks |
| 12 inches | 30.48 cm | Laptops, monitors |
| 13 inches | 33.02 cm | Laptop screens |
| 14 inches | 35.56 cm | Laptop displays |
| 15 inches | 38.10 cm | Laptop displays |
| 16 inches | 40.64 cm | Large laptops |
| 17 inches | 43.18 cm | Desktop monitors |
| 18 inches | 45.72 cm | Monitor screens |
| 19 inches | 48.26 cm | Computer monitors |
| 20 inches | 50.80 cm | Medium monitors |
| 21 inches | 53.34 cm | Monitors, TVs |
| 22 inches | 55.88 cm | Desktop displays |
| 23 inches | 58.42 cm | Computer screens |
| 24 inches | 60.96 cm | Standard monitors |
| 25 inches | 63.50 cm | Large monitors |
| 26 inches | 66.04 cm | TV screens |
| 27 inches | 68.58 cm | Professional monitors |
| 28 inches | 71.12 cm | Large displays |
| 29 inches | 73.66 cm | Televisions |
| 30 inches | 76.20 cm | TV screens |
50+ Common Inches to CM Conversions
Click on any conversion below for instant results. Includes whole numbers, common fractions, and popular screen sizes:
Common Use Cases for Inches to CM Conversion
Understanding inches to centimeters conversion is essential for various everyday applications. Whether you're shopping online for electronics, working on DIY projects, or studying for school, our converter helps you get accurate measurements instantly.
📱 Electronic Screen Sizes
Convert smartphone, tablet, and laptop screen sizes easily. A 6.5-inch phone screen is 16.51 cm, while a 15.6-inch laptop is 39.62 cm.
📄 Paper & Document Sizes
Standard paper sizes often need conversion. A4 paper is 8.27 × 11.69 inches (21 × 29.7 cm), while US Letter is 8.5 × 11 inches.
🔨 DIY & Woodworking
Essential for projects requiring metric measurements. Convert lumber dimensions, tool sizes, and material thickness accurately.
👕 Clothing & Accessories
International clothing sizes, belt lengths, and jewelry measurements often need inch to cm conversion for proper fitting.
🏠 Home & Furniture
Measure furniture dimensions, picture frames, and home decor items when shopping internationally or following DIY plans.
🚗 Automotive
Car rim sizes, tire diameters, and engine measurements often require converting between inches and centimeters.
Frequently Asked Questions About Inches to CM
Find answers to the most common questions about converting inches to centimeters:
One inch is exactly 2.54 centimeters. This conversion factor is internationally standardized and used universally for all inch to centimeter conversions.
To convert inches to cm, multiply the inch value by 2.54. For example: 8 inches × 2.54 = 20.32 cm. Our calculator above does this automatically for any value you enter.
12 inches equals 30.48 centimeters. This is a common measurement for rulers, small screens, and many household items.
6 inches is 15.24 centimeters. This conversion is frequently used for smartphone screen measurements and smaller objects.
The formula is: Centimeters = Inches × 2.54. Simply plug in your inch value and multiply by 2.54 to get the equivalent in centimeters.
20 inches equals 50.80 centimeters. This is commonly used for medium-sized monitors, televisions, and bicycle wheels.
36 inches equals 91.44 centimeters. This is equivalent to 1 yard and commonly used for measuring fabric, waist sizes, and certain sporting equipment.
5 feet 7 inches equals 170.18 centimeters. First convert feet to inches (5 × 12 = 60), add 7 inches (67 total), then multiply by 2.54.
1/2 inch equals 1.27 centimeters. To convert fractions, first convert to decimal (0.5 inches) then multiply by 2.54.
The conversion factor 2.54 is exact and defined by international standards. Our calculator provides results accurate to two decimal places for practical use.
100 inches equals 254 centimeters or 2.54 meters. This large conversion is useful for projectors, large displays, and construction measurements.