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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Enter a value, choose units, and copy the result. The formula and table update automatically.
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Helpful resources
Here are some ideas for you
These are optional Amazon search links related to this calculator. As an Amazon Associate, we may earn from qualifying purchases. Affiliate disclosure.
Tape MeasuresUseful for inches, centimeters, feet, meters, and height checks.
Soft Measuring TapesHelpful for body, sewing, clothing, and flexible measurements.
RulersGood for quick inch and centimeter checks at a desk.
Laser MeasuresUseful for room, furniture, and home project measurements.
Height ChartsSave height measurements in centimeters, feet, and inches.
DIY Measuring ToolsKeep practical conversion tools ready for home projects.
Distance Measuring WheelsUseful for longer ground measurements and outdoor projects.
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.
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.