Convert Centimeters to Inches
One centimeter equals 0.393701 inches. Type any value to convert centimeters to inches instantly — with a full reference table below.
Convert Centimeters to Inches
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How to convert Centimeters to Inches
To convert centimeters to inches, multiply by 0.393701. One centimeter equals 0.393701 in, and one inch equals 2.54 cm.
- Take the value in centimeters — for example 7.5 cm.
- Multiply by 0.393701 (the number of inches in one centimeter).
- 7.5 × 0.393701 = 2.952756 in.
Quick mental estimate: Divide the number of centimeters by 2.54 — that is exact.
Centimeters to Inches conversion table
| Centimeters | Inches |
|---|---|
| 1 cm | 0.393701 in |
| 2 cm | 0.787402 in |
| 3 cm | 1.181102 in |
| 4 cm | 1.574803 in |
| 5 cm | 1.968504 in |
| 6 cm | 2.362205 in |
| 7 cm | 2.755906 in |
| 8 cm | 3.149606 in |
| 9 cm | 3.543307 in |
| 10 cm | 3.937008 in |
| 12 cm | 4.724409 in |
| 15 cm | 5.905512 in |
| 20 cm | 7.874016 in |
| 25 cm | 9.84252 in |
| 50 cm | 19.68504 in |
| 100 cm | 39.37008 in |
| Inches | Centimeters |
|---|---|
| 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 |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
About converting Centimeters to Inches
Centimeters (cm) and Inches (in) are both units of length. The exact factor is 1 cm = 0.393701 in, so multiply by 0.393701 to go from centimeters to inches (or divide to go back).
The conversion runs entirely in your browser. Need the reverse? Use the Inches to Centimeters converter, or the full unit converter for every unit at once.
Real-world length in centimeters and inches
| Example | Centimeters | Inches |
|---|---|---|
| A credit card's width (ISO/IEC 7810) | 8.56 cm | 3.370079 in |
| The long side of A4 paper (ISO 216) | 29.7 cm | 11.69291 in |
| A US standard door (80 in tall) | 203.2 cm | 80 in |
| A football pitch (FIFA recommended length) | 10,500 cm | 4,133.858 in |
| Mount Everest (2020 survey height) | 884,886 cm | 348,380.3 in |
“≈” marks typical values; the rest are defined or measured figures.
The units
One hundredth of a metre.
Used for: Body height in most countries, clothing and everyday measuring.
Exactly 25.4 mm (1/12 of a foot).
Used for: US and UK screen sizes, tyres, timber and body measurements.
Every length factor here is exact: the inch has been defined as exactly 25.4 mm since the 1959 International Yard and Pound Agreement.