Inches to Centimeters
Convert inches to centimeters instantly. The relationship is fixed: 1 in = 2.54 cm (and 1 cm = 0.3937 in). To go from inches to centimeters, multiply by 2.54.
For example, 10 in is 25.4 cm. Length conversions like this come up constantly — measuring height, screen and TV sizes, paper, furniture, and anything bought from a country that uses a different measurement system.
Centimeters (cm)
2.54
1 in = 2.54 cm
ResultFull conversion table
| in | cm |
|---|---|
| 1 | 2.54 |
| 2 | 5.08 |
| 3 | 7.62 |
| 5 | 12.7 |
| 10 | 25.4 |
| 15 | 38.1 |
| 20 | 50.8 |
| 25 | 63.5 |
| 30 | 76.2 |
| 50 | 127 |
| 100 | 254 |
How to convert inches to centimeters
The formula is: cm = in × 2.54. Take your amount in inches, multiply by 2.54, and you have the result in centimeters. To reverse it, divide by 2.54 (or multiply by 0.3937).
Use the table below for the most common values at a glance, or the calculator for any exact amount.
Frequently asked questions
How many centimeters are in 1 in?
1 in equals 2.54 cm.
How many centimeters is 10 in?
10 in is 25.4 cm.
What's the formula for inches to centimeters?
Multiply inches by 2.54: cm = in × 2.54.
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