Centimeters to Inches Converter
1 centimeter ≈ 0.393700787 inches
1 centimeter equals 0.393701 inches
How to convert centimeters to inches
Feet, inches, yards and miles use the international foot (0.3048 m). Older US survey-foot records use a different definition; check the survey document before applying these factors.
in = cm × 0.3937007874One centimeter is 0.3937007874 inches, so a single multiplication converts any value.
3.93701 in ≈ 10 × 0.3937007874Centimeters to inches conversion table
Common values in centimeters, converted to inches.
| Centimeters (cm) | Inches (in) |
|---|---|
| 1 | 0.39370079 |
| 2 | 0.78740157 |
| 3 | 1.1811024 |
| 4 | 1.5748031 |
| 5 | 1.9685039 |
| 10 | 3.9370079 |
| 20 | 7.8740157 |
| 25 | 9.8425197 |
| 50 | 19.685039 |
| 100 | 39.370079 |
| 250 | 98.425197 |
| 500 | 196.85039 |
| 1,000 | 393.70079 |
About these units
centimetercm
One hundredth of a metre, widely used for body and object measurements.
inchin
Exactly 2.54 centimetres since the 1959 international agreement.
Reference: International Yard and Pound Agreement (1959).
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.