Length conversion
1 cm to in
0.394 in
1 centimetres = 0.394 inches. Exact factor: in = cm ÷ 2.54.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
in = cm ÷ 2.54
Worked example: 1 × 0.3937007874 = 0.394 in.
Values near 1 cm
| cm | in |
|---|---|
| 0.25 | 0.098 |
| 0.5 | 0.197 |
| 0.75 | 0.295 |
| 1this page | 0.394 |
| 1.25 | 0.492 |
| 1.5 | 0.591 |
| 1.75 | 0.689 |
Frequently asked
How do you convert centimetres to inches?
Apply the formula in = cm ÷ 2.54. Enter any value in the live converter above and the result updates as you type.
What is 1 cm in in?
1 cm equals 0.394 in. The reference table below shows the values immediately around 1 cm.
Is this conversion exact?
Yes. Screen and tyre sizes are quoted in inches almost everywhere, even in countries that are otherwise fully metric.