Inches to Centimeters Converter
Quick answer: To convert inches to centimeters, multiply by 2.54. For example, 10 in is 25.4 cm. One inch equals 2.54 cm.
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Use the Inches to Centimeters Converter
Inches to Centimeters formula and what each symbol means
cm = in × 2.54
| Symbol | Meaning |
|---|---|
| in | Inch |
| cm | Centimeter |
Inches to Centimeters examples
1 in
1 in × 2.54 = 2.54 cm.
10 in
10 in × 2.54 = 25.4 cm.
100 in
100 in × 2.54 = 254 cm.
Inches compared with Centimeters
One in is 2.54 times as large as one cm, so your number gets bigger when you convert inches to centimeters and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About inches and centimeters
Inch (in): The international inch, exactly 2.54 centimetres. Centimeter (cm): One hundredth of a metre.
How to calculate Inches to Centimeters step by step
- Enter the value in in (the starting unit).
- Multiply by 2.54, because 1 in = 2.54 cm.
- The product is the value in cm. To go back, divide by 2.54 or multiply by 0.3937008.
Popular typography conversions
How to read your Inches to Centimeters result
Quick estimate: multiply by about 2.5 to get centimeters from inches; this is within 1.6% of the exact factor. Printing and design tools use points and picas, while web layouts use pixels.
| INCHES | CENTIMETERS |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 5 | 12.7 |
| 10 | 25.4 |
| 20 | 50.8 |
| 50 | 127 |
| 100 | 254 |
| 1,000 | 2,540 |
Centimeters to Inches: quick table
| CENTIMETERS | INCHES |
|---|---|
| 1 | 0.3937008 |
| 5 | 1.968504 |
| 10 | 3.937008 |
| 25 | 9.84252 |
| 50 | 19.68504 |
| 100 | 39.37008 |
| 250 | 98.4252 |
| 500 | 196.8504 |
Common mistakes when calculating Inches to Centimeters
- Mixing the CSS point (1/72 in) with older printer point definitions.
- Dividing when you should multiply: from in to cm multiply by 2.54; from cm to in divide by 2.54.
Inches to Centimeters FAQ
How many cm are in 1 in?
1 in equals 2.54 cm.
How many in are in 1 cm?
1 cm equals 0.3937008 in.
Is 1 in = 2.54 cm an exact conversion?
The factor is shown rounded to 7 significant figures (2.54). The calculator above uses more digits.
What is a centimeter (cm)?
One hundredth of a metre.
How can I estimate inches to centimeters in my head?
Quick estimate: multiply by about 2.5 to get centimeters from inches; this is within 1.6% of the exact factor.
What is 75 in in centimeters?
75 in = 190.5 cm (since 75 × 2.54).
What is 300 in in centimeters?
300 in = 762 cm (since 300 × 2.54).
What is 12 in in centimeters?
12 in = 30.48 cm (since 12 × 2.54).
How many decimals should I keep when converting in to cm?
Match the precision of your original measurement. For example, 25.4 cm rounds to 25.4 cm at 3 significant figures; keep more digits only for engineering or scientific work.
More in Typography converters
- Inches to Pixels Converter
- Centimeters to Picas Converter
- Inches to Points Converter
- Centimeters to Millimeters Converter
- Millimeters to Centimeters Converter
- Millimeters to Inches Converter
See all typography converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: W3C CSS Values and Units: absolute lengths (1in = 96px = 72pt = 6pc)