CM to Inches Converter
Convert centimeters to inches (cm to in) instantly, with the formula and a conversion chart.
Everything is converted entirely in your browser. Nothing is sent to a server.
This tool is temporarily unavailable.
Please check back later.
How to convert centimeters to inches
1 centimeter = 0.393701 inches. To convert centimeters to inches, multiply by 0.393701.
Example: 30 cm = 11.811 in.
Quick estimate: Divide by 2.5 for a quick estimate: 30 cm is roughly 12 inches.
Screen sizes, clothing measurements and furniture from US shops are given in inches, while rulers and product specs elsewhere use centimeters.
CM to Inches conversion chart
| Centimeters | Inches |
|---|---|
| 1 cm | 0.3937 in |
| 2 cm | 0.7874 in |
| 5 cm | 1.969 in |
| 10 cm | 3.937 in |
| 15 cm | 5.906 in |
| 20 cm | 7.874 in |
| 25 cm | 9.843 in |
| 30 cm | 11.811 in |
| 50 cm | 19.685 in |
| 100 cm | 39.37 in |
| 150 cm | 59.055 in |
| 180 cm | 70.866 in |
How to use this tool
- 1Type the number of centimeters in the Value box.
- 2The result in inches appears instantly.
- 3Use the ⇄ button to convert inches to centimeters instead, or pick any other unit.
Features
- Exact cm to in conversion using the standard definition.
- Results update as you type, rounded to 6 decimal places.
- Switch to any other length, weight, temperature, volume or speed unit.
Privacy
Everything is calculated in your browser. Nothing is sent to a server.
Frequently asked questions
Is an inch exactly 2.54 cm?
Yes. Since 1959 the inch has been defined as exactly 2.54 centimeters, so the conversion is exact.
How do I convert my height in cm to feet and inches?
Divide your height in cm by 2.54 to get inches, then divide by 12: the whole number is feet and the remainder is inches. 175 cm = 68.9 in = 5 ft 8.9 in.
How do I convert inches back to centimeters?
Divide by 0.393701 (or multiply by 2.54), or use the swap button in the converter above or the Inches to CM converter.
Popular conversions
- Inches to CM
- Feet to Meters
- Meters to Feet
- KM to Miles
- Miles to KM
- MM to Inches
- Inches to MM
- Feet to CM
- CM to Feet
- Yards to Meters
- Meters to Yards
- KG to LBS
- LBS to KG
- Grams to Ounces
- Ounces to Grams
- Celsius to Fahrenheit
- Fahrenheit to Celsius
- Celsius to Kelvin
- Kelvin to Celsius
- Liters to Gallons
- Gallons to Liters
- ML to OZ
- OZ to ML
- Cups to ML
- ML to Cups
- KM/H to MPH
- MPH to KM/H
Guides
- Holiday Baking Conversions: Cups to ML, °F to °C and More
Baking a recipe from another country this holiday season? Convert cups, sticks of butter, ounces and oven temperatures correctly — with a handy chart.
- How to Convert Kilograms to Pounds (and Pounds to Kilograms)
1 kg = 2.20462 lb. Learn the exact kg-to-lbs formula, a quick mental trick, and a chart for body weight, luggage limits and gym plates.
- How to Convert Celsius to Fahrenheit (and Back)
The exact formula for converting °C to °F and °F to °C, a quick mental shortcut, and a handy chart of everyday temperatures for weather, cooking and fever.
- Everyday Unit Conversions Made Simple
From cooking in a different measurement system to converting kilometers to miles, here's a quick guide to the unit conversions people actually need.