How to convert inches to centimeters
Multiply the number of inches by 2.54 to get centimeters. For example, 12 inches × 2.54 = 30.48 centimeters.
Formulacentimeters = inches × 2.54
Examples
- 2 in = 5.08 cm
- 3 in = 7.62 cm
- 4 in = 10.16 cm
Length calculator
Inches to cm converter
Use this inches to centimeters calculator for screen sizes, product dimensions, height, DIY measurements, and quick metric conversions.
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Instant calculator
Convert units
Enter a value, choose units, and copy the result. The formula and table update automatically.
Result
When to use this calculator
This converter is useful when you need a quick everyday answer, a repeatable formula, or a table of common values. It is especially handy for shopping, recipes, travel, fitness, school work, labels, dimensions, and international measurements.
For critical applications, double-check the result against a trusted standard or professional tool.
Conversion table
Inches to Centimeters table
| 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 |
| 8 in | 20.32 cm |
| 10 in | 25.4 cm |
| 12 in | 30.48 cm |
| 24 in | 60.96 cm |
| 36 in | 91.44 cm |
| 48 in | 121.92 cm |
| 72 in | 182.88 cm |
Reverse conversion
Need to go the other way? Use the related calculator below or press the swap button in the converter above.
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FAQ
Inches to cm converter questions
How many cm are in 1 inch?
There are exactly 2.54 centimeters in 1 inch.
How do I convert inches to cm?
Multiply inches by 2.54.
Is 12 inches equal to 30 cm?
12 inches is 30.48 cm, so 30 cm is a close rounded value.