Inch-Centimeter Converter
Convert inches to centimeters or centimeters to inches using the exact factor 2.54, with a reference table of common values from 1 to 48 inches.
Common conversions
Note: These calculations are for informational purposes only and do not replace professional tax or financial advice. All information without guarantee.
FAQ
Frequently Asked Questions
How do I convert inches to centimeters?
Multiply inches by 2.54 to get centimeters. Divide centimeters by 2.54 to get inches. For example, a 55-inch TV has a diagonal of 139.7 cm.
Why are screen sizes measured in inches?
Screen sizes are traditionally measured diagonally in inches, a convention from US-based TV manufacturing. In Germany, stores often show both inches and centimeters.
How precise is the conversion?
Conversion factors are based on official SI units or internationally accepted standards. Precision is at least four decimal places — sufficient for everyday, professional and academic use.
Guide
What is the Inch-Centimeter Converter?
The inch-cm converter converts between inches and centimetres. Especially useful for screen diagonals, pipes and technical dimensions.
How does the Inch-Centimeter Converter work?
Enter the value in inches or centimetres. The calculator converts instantly. 1 inch = 2.54 cm. Common screen sizes and pipe sizes are listed for reference.
Key Data and Facts
1 inch = 2.54 cm. Screens: 24 inch = 61 cm, 27 inch = 68.6 cm, 55 inch = 139.7 cm. Bicycle sizes: 26 inch = 66 cm.
Step-by-Step Guide
How to use the inch-to-cm converter step by step: 1. Choose the direction – inches to centimetres or centimetres to inches. 2. Enter the value – the calculator converts instantly. Formula: cm = inches * 2.54. Inches = cm / 2.54. 3. Screen sizes: the figure in inches refers to the screen diagonal. Common sizes: 24 inches = 60.96 cm, 27 inches = 68.58 cm, 32 inches = 81.28 cm, 55 inches = 139.7 cm, 65 inches = 165.1 cm. 4. Pipe diameters: in plumbing, measurements are often given in inches. 1/2 inch = 1.27 cm, 3/4 inch = 1.905 cm, 1 inch = 2.54 cm. 5. Bicycle tyres: 26 inches = 66.04 cm, 28 inches = 71.12 cm, 29 inches = 73.66 cm. 6. Other applications: photo frames (8x10 inches = 20.3x25.4 cm), screw sizes, tools. Tip: for a quick estimate, multiply the inch value by 2.5.
Calculation Example
42-inch TV: 42 * 2.54 = 106.68 cm screen diagonal. Height of 150 cm: 150 / 2.54 = 59.06 inches.
Sources
Official sources
Calculations are based on applicable German laws and official data:
Full methodology at Methodology.
Reviewed by Konstantin Iakovlev · Last updated:
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