Inches to CM Converter
Convert inches to centimeters (in to cm) 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 inches to centimeters
1 inch = 2.54 centimeters. To convert inches to centimeters, multiply by 2.54.
Example: 12 in = 30.48 cm.
Quick estimate: Multiply by 2.5 and add a little: 10 inches is about 25 cm (exactly 25.4).
TV and monitor sizes, tire diameters, jeans waist sizes and many US product listings are in inches.
Inches to CM conversion chart
| Inches | Centimeters |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 4 in | 10.16 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 8 in | 20.32 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 24 in | 60.96 cm |
| 32 in | 81.28 cm |
| 55 in | 139.7 cm |
How to use this tool
- 1Type the number of inches in the Value box.
- 2The result in centimeters appears instantly.
- 3Use the ⇄ button to convert centimeters to inches instead, or pick any other unit.
Features
- Exact in to cm 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
How big is a 55-inch TV in cm?
About 139.7 cm, measured diagonally across the screen — not the width.
How many cm is 12 inches?
Exactly 30.48 cm, which is one foot.
How do I convert centimeters back to inches?
Divide by 2.54 (or multiply by 0.393701), or use the swap button in the converter above or the CM to Inches converter.
Popular conversions
- CM to Inches
- 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.