Centimetres to Inches
Type a value in centimetres and see it in inches — exact conversion, updated as you type.
Formula: inches = centimetres ÷ 2.54 · Reverse: inches to centimetres →
| Centimetres | Inches |
|---|---|
| 1 cm | 0.3937007874 in |
| 2 cm | 0.7874015748 in |
| 5 cm | 1.968503937 in |
| 10 cm | 3.937007874 in |
| 25 cm | 9.842519685 in |
| 50 cm | 19.68503937 in |
| 100 cm | 39.37007874 in |
About this tool
The inch is defined as exactly 2.54 centimetres, so centimetres-to-inches is a clean division by 2.54. This pair appears constantly in online shopping — screen sizes, clothing measurements, furniture dimensions — wherever a metric listing meets a US buyer.
For height: convert centimetres to inches, then divide by 12 for feet and inches. 170 cm = 66.93 inches = 5 feet 6.93 inches.
How to use it
- Enter the value in centimetres in the box above.
- Read the result in inches — it updates as you type.
- Use the table for common values, or the reverse link to convert the other way.
Frequently asked questions
How do I convert centimetres to inches?
Use the formula: inches = centimetres ÷ 2.54. Or simply type the value into the converter above — it applies the same formula instantly.
How many inches is 170 cm?
170 cm = 66.929134 inches, which is 5 feet 6.93 inches.
Is this conversion exact?
Yes — the factor behind this pair is an exact international definition, and the tool shows up to 10 significant digits, so nothing is lost to rounding until the final display.