Inches to Centimeters Converter
Convert inches (in) to centimeters (cm) instantly. 1 inch = 2.54 cm exactly.
1 in = 2.54 cm
2.5400 centimeters
Inches to Cm Conversion Table
| Inches (in) | Centimeters (cm) | Feet |
|---|---|---|
| 1 in | 2.54 cm | 0.1 ft |
| 2 in | 5.08 cm | 0.2 ft |
| 3 in | 7.62 cm | 0.3 ft |
| 6 in | 15.24 cm | 0.5 ft |
| 12 in | 30.48 cm | 1.0 ft |
| 24 in | 60.96 cm | 2.0 ft |
| 36 in | 91.44 cm | 3.0 ft |
| 48 in | 121.92 cm | 4.0 ft |
| 60 in | 152.4 cm | 5.0 ft |
| 72 in | 182.88 cm | 6.0 ft |
How to Convert Inches to Centimeters
To convert inches to centimeters, multiply the length by 2.54. This is the exact conversion factor.
centimeters = inches × 2.54
Example Calculations
- 5 inches to cm: 5 × 2.54 = 12.7 cm
- 12 inches (1 foot) to cm: 12 × 2.54 = 30.48 cm
- 67 inches to cm: 67 × 2.54 = 170.18 cm (5 ft 7 in)
Screen Size Conversions
Common TV and monitor sizes (diagonal measurement):
- 32 inches = 81.28 cm
- 43 inches = 109.22 cm
- 55 inches = 139.7 cm
- 65 inches = 165.1 cm
- 75 inches = 190.5 cm
Common Uses
- TV and monitor screen sizes
- Wheel and tire dimensions
- Clothing measurements
- Furniture dimensions
- Camera sensor sizes
- Pipe and tubing diameters
History
The inch was historically defined as the width of a man's thumb. In 1959, the inch was internationally standardized as exactly 2.54 centimeters. This makes conversion between the two systems precise and consistent worldwide.
Frequently Asked Questions
How many cm is 1 inch?
1 inch is exactly 2.54 centimeters. This is an internationally standardized conversion factor established in 1959.
How do I convert inches to cm?
To convert inches to centimeters, multiply the length by 2.54. For example, 5 inches × 2.54 = 12.7 cm.
What is 5 feet 10 inches in cm?
5 feet 10 inches equals 70 inches total (5×12 + 10). Converting to cm: 70 × 2.54 = 177.8 cm.
How many cm is a 55-inch TV?
A 55-inch TV has a diagonal screen measurement of 139.7 cm (55 × 2.54 = 139.7 cm).
What is 12 inches in cm?
12 inches (1 foot) equals 30.48 cm (12 × 2.54 = 30.48 cm).