Centimetres to Inches Converter
Type a value in centimetres to see it in inches. It works both ways: type in the inches box to convert back.
Formula
To convert centimetres to inches, divide by 2.54 (the same as multiplying by 0.3937007874).
1 cm = 0.393700787402 in and 1 in = 2.54 cm.
Centimetres to inches table
| Centimetres | Inches |
|---|---|
| 1 cm | 0.3937008 in |
| 2 cm | 0.7874016 in |
| 5 cm | 1.968504 in |
| 10 cm | 3.937008 in |
| 15 cm | 5.905512 in |
| 20 cm | 7.874016 in |
| 25 cm | 9.84252 in |
| 30 cm | 11.81102 in |
| 50 cm | 19.68504 in |
| 100 cm | 39.37008 in |
| 150 cm | 59.05512 in |
| 170 cm | 66.92913 in |
| 180 cm | 70.86614 in |
| 200 cm | 78.74016 in |
Worked examples
2 cm in inches
2 cm
0.7874016 in
2 × 0.3937007874 = 0.7874015748
30 cm in inches
30 cm
11.81102 in
30 × 0.3937007874 = 11.81102362
180 cm in inches
180 cm
70.86614 in
180 × 0.3937007874 = 70.86614173
About Centimetres to Inches Converter
This converter turns centimetres into inches as you type, and works the other way too: type in the inches box to convert back. To convert centimetres to inches, divide by 2.54 (the same as multiplying by 0.3937007874). For example, 2 cm is 0.7874016 in, and 30 cm is 11.81102 in.
The UK uses metric units for most measurements, but road signs are in miles and yards, and many people still think of height in feet and inches, so length conversions come up every day. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.
How to use Centimetres to Inches Converter
- Type the amount in centimetres in the first box.
- Read the answer in inches in the second box and in the result line below.
- To convert the other way, type in the inches box instead, or use the swap button to open the inches to centimetres page.
- Choose a number of decimal places if you need a rounded figure, then copy the result line.
Common uses
- Checking a product size listed in another system
- Following plans, patterns or instructions from abroad
- Converting a height or a distance for a form
- Helping with homework that mixes metric and imperial units
Frequently asked questions
How many inches are in one centimetre?
There are 0.3937007874 inches in one centimetre. This figure is exact, because both units have fixed definitions.
How do I convert centimetres to inches?
To convert centimetres to inches, divide by 2.54 (the same as multiplying by 0.3937007874). For example, 180 cm is 70.86614 in.
How do I convert inches to centimetres?
Going the other way, multiply by 2.54. The inches to centimetres converter does this for you.
What is 150 cm in inches?
150 cm is 59.05512 in.
Why does the UK still use miles?
Road distances and speed limits stayed in miles and yards when the UK moved to metric units for trade and science. The Weights and Measures Act allows miles, yards, feet and inches for road traffic signs, so you will meet both systems.