Inches to Centimeters Converter
Convert inches to centimeters instantly. Free inches to cm calculator for screen sizes, height, and measurements.Updated 2026-03-15
Formula: cm = inches × 2.54
Common Inches to Centimeters Conversions
| Inches (in) | Centimeters (cm) |
|---|---|
| 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 |
| 7 in | 17.78 cm |
| 8 in | 20.32 cm |
| 9 in | 22.86 cm |
| 10 in | 25.4 cm |
| 11 in | 27.94 cm |
| 12 in | 30.48 cm |
| 15 in | 38.1 cm |
| 18 in | 45.72 cm |
| 20 in | 50.8 cm |
| 24 in | 60.96 cm |
| 27 in | 68.58 cm |
| 30 in | 76.2 cm |
| 32 in | 81.28 cm |
| 36 in | 91.44 cm |
| 40 in | 101.6 cm |
| 48 in | 121.92 cm |
| 55 in | 139.7 cm |
| 65 in | 165.1 cm |
| 72 in | 182.88 cm |
How to Convert Inches to Centimeters
To convert inches to centimeters, use the formula: cm = inches × 2.54
For example, to convert 3 in to cm: 3 in = 7.62 cm
💡 This calculator does the conversion instantly as you type. All calculations happen locally in your browser — no data is sent anywhere.
Frequently Asked Questions
How many centimeters are in an inch?
1 inch equals exactly 2.54 centimeters.
How do I convert inches to cm?
Multiply inches by 2.54. For example, 12 inches × 2.54 = 30.48 cm.
Why is 1 inch exactly 2.54 cm?
In 1959, the international yard was standardized at exactly 0.9144 meters, making 1 inch exactly 2.54 cm by definition.
"Inches to Centimeters Converter." ConvKit, conv-kit.com, https://conv-kit.com/tools/inches-to-cm/. Accessed 2026-03-15.