CM ↔ Inches Converter
Convert centimeters to inches and inches to centimeters instantly
| Centimeters | Inches | Inches | Centimeters |
|---|---|---|---|
| 1 cm | 0.394 in | 1 in | 2.54 cm |
| 5 cm | 1.969 in | 5 in | 12.70 cm |
| 10 cm | 3.937 in | 10 in | 25.40 cm |
| 20 cm | 7.874 in | 20 in | 50.80 cm |
| 30 cm | 11.811 in | 30 in | 76.20 cm |
| 50 cm | 19.685 in | 50 in | 127.00 cm |
| 100 cm | 39.370 in | 100 in | 254.00 cm |
| Amount | Inch |
|---|---|
| 1 cm | 0.39370079 in |
| 2 cm | 0.78740157 in |
| 5 cm | 1.9685039 in |
| 10 cm | 3.9370079 in |
| 25 cm | 9.8425197 in |
| 50 cm | 19.685039 in |
| 100 cm | 39.370079 in |
| 500 cm | 196.85039 in |
| 1,000 cm | 393.70079 in |
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CM to Inches Converter: Centimeters to Inches and Back
The CM to Inches Converter is a simple online tool that converts length between centimeters (cm) and inches (in). It works both ways: enter a value in centimeters to get inches, or enter inches to get centimeters. You can type, move the slider, or use the quick conversion table. It is useful for DIY, sewing, engineering, international shipping, construction and online shopping, where different units are used.
Quick answer: 1 inch is exactly 2.54 cm, so 10 cm is 3.937 inches and 25.4 cm is 10 inches. To convert centimeters to inches, divide by 2.54.
Definitions
Centimeter (cm): a metric unit of length equal to 1/100 of a meter. Inch (in): an imperial unit of length, commonly used in the US, equal to exactly 2.54 cm. Twelve inches make one foot, and if you need feet, the CM to feet converter shows the feet and inches breakdown.
Conversion Formulas
Examples: 10 cm ÷ 2.54 = 3.937 inches. 5 inches × 2.54 = 12.7 cm. 15.5 cm ÷ 2.54 ≈ 6.102 inches.
CM to Inches Chart
These values use the exact factor, so they match the converter above:
| Centimeters | Inches | Inches | Centimeters |
|---|---|---|---|
| 1 cm | 0.394 in | 1 in | 2.54 cm |
| 2.5 cm | 0.984 in | 2 in | 5.08 cm |
| 5 cm | 1.969 in | 3 in | 7.62 cm |
| 10 cm | 3.937 in | 4 in | 10.16 cm |
| 15 cm | 5.906 in | 6 in | 15.24 cm |
| 20 cm | 7.874 in | 8 in | 20.32 cm |
| 25 cm | 9.843 in | 10 in | 25.4 cm |
| 30 cm | 11.811 in | 12 in | 30.48 cm |
| 50 cm | 19.685 in | 24 in | 60.96 cm |
| 100 cm | 39.37 in | 36 in | 91.44 cm |
Everyday Sizes in CM and Inches
Many products list size in one unit and expect you to know the other. Screens are sold in inches, while rulers, furniture and clothing labels often use centimeters:
| Item | Centimeters | Inches |
|---|---|---|
| Credit card (long side) | 8.56 cm | 3.37 in |
| A4 paper (short side) | 21 cm | 8.27 in |
| Smartphone screen (typical) | 15.5 cm | 6.1 in |
| Laptop screen (typical) | 39.6 cm | 15.6 in |
| Standard door width | 81.3 cm | 32 in |
For other lengths, see the length converter or the unit converter, which brings every category together.
Who and What Is It Used For?
Students and teachers use it for quick metric and imperial conversions in science and math projects. Engineers and architects use it to convert units while designing or constructing, and sewing and DIY enthusiasts use it for patterns and materials. Travelers and shoppers use it to convert the sizes and dimensions of products from other countries.
How to Use the CM to Inches Converter
Choose the direction
Select CM to Inches or Inches to CM, or press the swap button to switch units at any time.
Enter the value
Type a number in the input box, or move the slider.
Read the result
The answer appears instantly. Press Convert if you prefer to confirm it.
Check the table
Use the quick conversion table below the tool for common values.