Convert inches to centimeters for product dimensions, screens, body measurements, and design specifications.
Multiply inches by 2.54 to convert to centimeters. For example, 12 inches equals 30.48 cm.
Conversion Formula
Inches are common in the United States, while centimeters are standard in most metric-based regions. Converting between the two is useful for shopping, manufacturing, and personal measurements.
Because 1 inch is defined as exactly 2.54 centimeters, this is a stable and exact conversion.
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 6 in | 15.24 cm |
| 12 in | 30.48 cm |
| 24 in | 60.96 cm |
To convert inches to centimeters, multiply the inches value by 2.54. To convert in the opposite direction, divide by the same number (or multiply by 0.39). The relationship is exact and linear, so the same factor works for any value.
Use this quick-reference chart for the most common inches-to-centimeters values. Each result is calculated with the exact 2.54 factor.
| Inches (in) | Centimeters (cm) |
|---|---|
| 1 in | 2.54 cm |
| 2 in | 5.08 cm |
| 3 in | 7.62 cm |
| 5 in | 12.7 cm |
| 10 in | 25.4 cm |
| 25 in | 63.5 cm |
| 50 in | 127 cm |
| 100 in | 254 cm |
One inch is exactly 2.54 centimeters.
Multiply the number of inches by 2.54 to get centimeters.
It is often used for screen sizes, clothing measurements, product dimensions, and home improvement work.