Inches to Centimeters (in to cm)
1 inch = 2.54 centimeters
How to convert inches to centimeters
cm = in × 2.54
Example: 5 × 2.54 = 12.7, so 5 inches = 12.7 centimeters.
Screen sizes, tyre and wheel diameters, jeans waist sizes and many tools are labelled in inches, so converting to centimeters makes them comparable with metric products.
A 55-inch TV, for example, has a diagonal of 139.7 cm. Remember the screen size is the diagonal, not the width.
Inches to Centimeters conversion table
| Inches (in) | Centimeters (cm) |
|---|---|
| 0.25 in | 0.635 cm |
| 0.5 in | 1.27 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 |
| 8 in | 20.32 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 |
| 27 in | 68.58 cm |
| 32 in | 81.28 cm |
| 40 in | 101.6 cm |
| 50 in | 127 cm |
| 55 in | 139.7 cm |
| 65 in | 165.1 cm |
What is a inch?
The inch has been defined as exactly 2.54 centimeters since the 1959 international yard and pound agreement. Screens, tyres, pipes and US body measurements are still quoted in inches; 12 inches make a foot.
What is a centimeter?
A centimeter is one hundredth of a meter. It is used for body height, clothing sizes, furniture and paper formats in almost every country outside the United States.
Frequently asked questions
How many centimeters are in one inch?
One inch equals 2.54 centimeters.
How do I convert inches to centimeters?
Use the formula cm = in × 2.54. 5 × 2.54 = 12.7, so 5 inches = 12.7 centimeters.
What is 65 in in cm?
65 in = 165.1 cm.
How do I convert centimeters back to inches?
Use the inverse formula in = cm ÷ 2.54, or open the Centimeters to Inches converter.
More length conversions
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