Convert cm to inches
1 cm = 0.3937 inches. Type any value below, or use the chart.
Runs entirely in your browser. Nothing you enter is sent to a server.
Popular conversions
- All units
- cm to inches
- inches to cm
- metres to feet
- feet to metres
- km to miles
- miles to km
- kg to lbs
- lbs to kg
- grams to ounces
- ounces to grams
- Celsius to Fahrenheit
- Fahrenheit to Celsius
- litres to US gallons
- US gallons to litres
- ml to US fl oz
- US fl oz to ml
- cups to ml
- km/h to mph
- mph to km/h
- sq ft to sq m
- sq m to sq ft
- MB to GB
- GB to MB
- mpg to L/100 km
- L/100 km to mpg
- PSI to kPa
- Calories to kJ
Cm to inches chart
| Cm | Inches |
|---|---|
| 1 cm | 0.3937 inches |
| 2 cm | 0.7874 inches |
| 5 cm | 1.969 inches |
| 10 cm | 3.937 inches |
| 15 cm | 5.906 inches |
| 20 cm | 7.874 inches |
| 25 cm | 9.843 inches |
| 30 cm | 11.811 inches |
| 50 cm | 19.685 inches |
| 100 cm | 39.37 inches |
| 150 cm | 59.055 inches |
| 180 cm | 70.866 inches |
Formula
inches = cm × 0.3937. To go the other way, divide by 0.3937 (1 inches = 2.54 cm).
Clothing and screen sizes often mix the two: a 15.6-inch laptop screen is 39.6 cm across the diagonal.
Units here: Centimetres → Inches. The converter above also handles every other length unit.
Frequently asked questions
How many centimetres are in an inch?
Exactly 2.54 cm. The inch has been defined that way since 1959.
How do I convert kg to lbs?
Multiply kilograms by 2.20462. For example, 23 kg × 2.20462 ≈ 50.7 lb.
What’s the formula for Celsius to Fahrenheit?
°F = °C × 9/5 + 32. So 20 °C is 68 °F and 37 °C is 98.6 °F.
Are these US or imperial gallons?
Both are available. “Gallons (US)” is 3.785 L and “Gallons (UK)” is 4.546 L.
Why does my 1 TB drive show less space?
The drive is sold in decimal terabytes, but your computer reports binary tebibytes. 1 TB = 0.909 TiB, so you see about 931 GB.