Convert inches to cm
Inches are already set as the starting unit. Type a length and the centimetres update as you type.
- Runs on your device
- No sign-up
- Works offline after a visit
| Unit | Value |
|---|
The length converter opens with inches as the starting unit and centimetres as the target. Type an inch figure and the centimetre value, the formula and a table of other length units update together. The swap button reverses the pair.
Centimetres are inches multiplied by 2.54, a factor that is exact. A 55-inch screen diagonal is 139.7 cm. For the other direction, see cm to inches.
| in | cm |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 5 in | 12.7 cm |
| 6 in | 15.24 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 24 in | 60.96 cm |
| 32 in | 81.28 cm |
| 43 in | 109.22 cm |
| 55 in | 139.7 cm |
| 65 in | 165.1 cm |
| 75 in | 190.5 cm |
How to convert units
- Pick a category, such as length or volume.
- Type the value and choose the unit it is in.
- Read the answer, or scan the table for every other unit.
Questions
How many centimetres is 12 inches?
12 inches is exactly 30.48 cm. Multiply the inches by 2.54, or type 12 here and read the result.
How do I convert a screen size from inches to cm?
A screen size such as 55 inches is a diagonal measurement, so convert the diagonal, not the width or height. Measure from corner to corner to check it.
How do I convert miles to kilometres?
Multiply the miles by 1.609344. A mile is exactly 1,609.344 metres, so 10 miles is 16.09344 km.
Why are US and UK gallons different?
A US gallon is 3.785411784 litres and a UK (imperial) gallon is 4.54609 litres. The UK gallon is about 20% bigger, so the same volume is a smaller number of UK gallons.
What is the difference between KB and KiB?
A kilobyte (KB) is 1,000 bytes and a kibibyte (KiB) is 1,024 bytes. Some operating systems show binary sizes with the decimal label, so a 1 TB drive can be reported as about 931 GB.
Is a cup 236.6 ml or 240 ml?
Both are used. The US customary cup is 236.6 ml, or 8 US fluid ounces. Nutrition labels use a 240 ml cup, which is about 1.4% larger, so check which one a recipe means.
Reviews
No reviews yet. Be the first.