Convert Inches to Centimeters
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Common Conversions
| Inches (in) | Centimeters (cm) |
|---|---|
| 0.1 | 0.254 |
| 0.25 | 0.635 |
| 0.5 | 1.2700 |
| 1 | 2.5400 |
| 2 | 5.0800 |
| 3 | 7.6200 |
| 5 | 12.7000 |
| 10 | 25.4000 |
| 15 | 38.1000 |
| 20 | 50.8000 |
| 25 | 63.5000 |
| 50 | 127.00 |
| 75 | 190.50 |
| 100 | 254.00 |
| 150 | 381.00 |
| 250 | 635.00 |
| 500 | 1270.00 |
| 1000 | 2540.00 |
| 2500 | 6350.00 |
| 5000 | 12700.00 |
What Is Inches TO Centimeters?
One inch equals exactly 2.54 centimeters. This is one of the most frequently used length conversions in the world, and the factor is exact by international agreement since 1959. Screen sizes for TVs, monitors, and phones are typically advertised in inches even in metric countries, making this conversion indispensable for tech shoppers. Tailors and seamstresses working with international patterns routinely convert between inches and centimeters, as do woodworkers interpreting plans from different countries. In medicine, neonatal head circumference and wound measurements may be recorded in either unit depending on the hospital's location. The simplicity of the 2.54 factor makes mental arithmetic practical: every inch adds roughly two and a half centimeters.
Formula
Multiply the inch value by 2.54 to get centimeters. This is an exact conversion by definition since the 1959 international agreement. For example, 12 inches (1 foot) equals 30.48 cm exactly. No rounding is needed because 2.54 is the defining relationship.
Best For:
- Interpreting TV and monitor screen diagonals listed in inches for metric-system consumers
- Sewing and tailoring with patterns that specify measurements in inches or centimeters
- Woodworking and DIY projects using tools calibrated in either unit system
- Medical measurements such as wound sizes, infant length, and body dimensions
- Comparing phone dimensions listed in inches with metric specifications
How to Inches TO Centimeters
Enter a Value
Type the number you want to convert in the input field above.
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Swap or Explore
Click the swap button to reverse the conversion, or explore the common values table.
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