Length conversion
8 cm to in
3.15 in
8 centimetres = 3.15 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: 8 × 0.3937007874 = 3.15 in.
Values near 8 cm
| cm | in |
|---|---|
| 7.25 | 2.854 |
| 7.5 | 2.953 |
| 7.75 | 3.051 |
| 8this page | 3.15 |
| 8.25 | 3.248 |
| 8.5 | 3.346 |
| 8.75 | 3.445 |
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 8 cm in in?
8 cm equals 3.15 in. The reference table below shows the values immediately around 8 cm.
Is this conversion exact?
Yes. Screen and tyre sizes are quoted in inches almost everywhere, even in countries that are otherwise fully metric.