Cm to in conversion formula
1 centimeter = 0.393701 inch
The centimeter (cm) is one hundredth of a meter — the everyday metric unit for body height, clothing sizes and small objects.
The inch (in) is an imperial unit equal to exactly 2.54 centimeters since 1959, by international agreement. Widely used for screens, tools and body measurements.
Cm to in conversion table
| cm | in |
|---|---|
| 1 cm | 0.393701 in |
| 2 cm | 0.787402 in |
| 3 cm | 1.1811 in |
| 5 cm | 1.9685 in |
| 10 cm | 3.937 in |
| 20 cm | 7.874 in |
| 25 cm | 9.8425 in |
| 50 cm | 19.685 in |
| 100 cm | 39.3701 in |
| 250 cm | 98.4252 in |
| 500 cm | 196.8504 in |
| 1000 cm | 393.7008 in |
How to convert cm to in
- Write down the value in cm you want to convert.
- Multiply it by 0.393701 — or use the converter above, which does it instantly.
- Read your result in in. Done.
Frequently asked questions
How many in is 1 cm?
Using the official conversion factor, 1 centimeter = 0.393701 inch. The converter above handles any value instantly.
What is the formula to convert centimeter to inch?
1 centimeter = 0.393701 inch. Multiply any value in cm by this factor to get in.
Is this cm to in converter free?
Yes — 100% free, unlimited, with no sign-up. CalculUnits is funded by non-intrusive ads, never by paywalls.