Convert inches to centimeters
1 inch equals 2.54 centimeters. Type any number below — the other side updates instantly.
By Numerly · Updated
Inches to centimeters — quick reference
| inches | centimeters |
|---|---|
| 0.5 in | 1.27 cm |
| 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 |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 11 in | 27.94 cm |
| 12 in | 30.48 cm |
| 15 in | 38.1 cm |
| 18 in | 45.72 cm |
| 24 in | 60.96 cm |
| 30 in | 76.2 cm |
| 36 in | 91.44 cm |
| 48 in | 121.92 cm |
| 60 in | 152.4 cm |
| 65 in | 165.1 cm |
| 70 in | 177.8 cm |
| 72 in | 182.88 cm |
| 75 in | 190.5 cm |
| 80 in | 203.2 cm |
Convert a specific value
The most-searched exact inches-to-centimeters amounts, each with its own page.
Common inches to centimeters — real-world examples
Recognizable objects and benchmarks to anchor the numbers.
- Smartphone height6 in = 15.24 cm
- Standard ruler12 in = 30.48 cm
- Laptop screen15 in = 38.1 cm
- TV (small)32 in = 81.28 cm
- TV (medium)50 in = 127 cm
- TV (large)65 in = 165.1 cm
- A4 paper width8.3 in = 21.082 cm
- 5 feet (60 inches)60 in = 152.4 cm
- 6 feet (72 inches)72 in = 182.88 cm
How to convert
Multiply the number of inchs by 2.54 to get centimeters. To go the other way, multiply centimeters by 0.393701 to get inchs. The conversion factor is fixed and exact, so you can use this on any value.
About these units
Inches
- Definition
- An inch (symbol: in) is a unit of length in the imperial and US customary systems, defined as exactly 25.4 mm. There are 12 inches in a foot.
- History
- The word inch derives from the Latin uncia ("one-twelfth"). Standards historically included the length of three barley grains end-to-end.
- Current use
- The inch is dominant in the United States, Canada, and the UK. It is used worldwide for screen sizes (TVs, laptops, phones) and certain engineering standards.
Centimeters
- Definition
- A centimeter (symbol: cm) is one-hundredth of a meter, the SI base unit of length. 1 cm equals 10 mm or about 0.394 inches.
- History
- The centimeter dates to the 1799 establishment of the metric system. The "centi-" prefix means one-hundredth in Latin.
- Current use
- Used worldwide for everyday measurements — body height, clothing sizes, paper, furniture — anywhere imperial countries would use inches.
Frequently asked
- How many centimeters are in 1 inch?
- 1 inch = 2.54 centimeters.
- How do you convert inches to centimeters?
- Multiply the number of inchs by 2.54 to get centimeters. To go the other way, multiply centimeters by 0.393701 to get inchs. The conversion factor is fixed and exact, so you can use this on any value.
- What is 12 inches in centimeters?
- 12 inches = 30.48 centimeters.
- What is 18 inches in centimeters?
- 18 inches = 45.72 centimeters.
- What is 65 inches in centimeters?
- 65 inches = 165.1 centimeters.
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