Inches to CM Converter — Free Converter
Use our free inches to cm converter for instant inch to centimeter results. The inches to cm formula multiplies inches by 2.54. See also Wikipedia on the centimetre and the NIST unit conversion guide.
📏 Inches to CM Converter
How to Convert Inches to Centimeters
Multiply by exactly 2.54 — defined by international standard.
Inches to CM Conversion Table
Common inch values converted to centimeters at a glance.
| Inch (in) | Centimeter (cm) |
|---|---|
| 0.5 in | 1.27 cm |
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 15 in | 38.1 cm |
| 20 in | 50.8 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
Real-Life Inches to CM Examples
Everyday situations where you need inches in centimetres.
🧍 Height Conversion
US residents measure height in feet and inches; most of the world uses centimetres. A person who is 5 ft 10 in (70 in) = 177.8 cm. A child measuring 48 in tall = 121.92 cm. Medical forms outside the US will ask for height in cm.
International travel, online medical portals, and global sports registrations often require height in centimetres. Having your measurement ready in cm avoids guessing or on-the-spot arithmetic.
📦 Parcel & Box Dimensions
US shipping labels give box dimensions in inches; international couriers and customs forms use centimetres. A 12 × 8 × 6 in box = 30.48 × 20.32 × 15.24 cm. Providing the correct cm dimensions avoids delays at customs.
Online marketplaces selling to EU or UK buyers must list product dimensions in metric. Converting your inch-measured products into centimetres satisfies those listing requirements instantly.
👗 Clothing & Pattern Sizes
US sewing patterns and garment measurements use inches. International patterns and most fashion brands outside the US use centimetres. A 36-inch chest = 91.44 cm. A 30-inch inseam = 76.2 cm.
When buying clothes from Asian or European brands online, their size charts are almost always in centimetres. Converting your usual inch measurements helps you pick the right size without guesswork.
🖥️ Screen & Product Specs
US products list screen sizes and product dimensions in inches. International spec sheets use centimetres. A 15.6-inch laptop screen = 39.62 cm. A 24-inch monitor = 60.96 cm.
Tech forums, international reviews, and global product databases often use centimetres. Converting to cm lets you compare specs across different regional product listings seamlessly.
Frequently Asked Questions
Frequently Asked Questions
1 Inch (in) equals 2.54 Centimeters (cm).
Multiply the value in Inchs by 2.54. For example, 10 Inchs = 25.4 Centimeters.
Yes. ConvertNow uses precise factors for all unit calculations. Currency conversions use live exchange rates updated regularly.
Yes — type into the right-hand field to reverse the conversion.