Convert Square Centimeters (cm²) to Square Inches (in²)
Enter a value below to convert Square Centimeters (cm²) to Square Inches (in²).
Conversion:
1 Square Centimeters (cm²) = 0.15500031 Square Inches (in²)
How to Convert Square Centimeters (cm²) to Square Inches (in²)
1 cm2 = 0.15500031 in2
1 in2 = 6.4516 cm2
Example: convert 15 Square Centimeters (cm²) to Square Inches (in²):
25 cm2 = 3.87500775 in2
Square Centimeters (cm²) to Square Inches (in²) Conversion Table
| Square Centimeters (cm²) | Square Inches (in²) |
|---|---|
| 0.01 cm2 | 0.0015500031 in2 |
| 0.1 cm2 | 0.015500031 in2 |
| 1 cm2 | 0.15500031 in2 |
| 2 cm2 | 0.31000062 in2 |
| 3 cm2 | 0.46500093 in2 |
| 5 cm2 | 0.77500155 in2 |
| 10 cm2 | 1.5500031 in2 |
| 20 cm2 | 3.1000062 in2 |
| 50 cm2 | 7.7500155 in2 |
| 100 cm2 | 15.500031 in2 |
| 1000 cm2 | 155.00031 in2 |
Square Centimeters (cm²)
Definition
A square centimeter (cm²) is a metric unit of area equal to the area of a square with sides of 1 centimeter. It equals 0.0001 square meters (10⁻⁴ m²).
History
Like other metric area units, the square centimeter was derived from the metric system formalized in France in 1795. It has been a standard unit in science and everyday life since the widespread adoption of the metric system.
Current use
Square centimeters are widely used in everyday measurements such as the area of paper, photos, screens, skin patches, and small objects in general. It is a common unit in medicine, biology, and education.
Square Inches (in²)
Definition
A square inch (in²) is an imperial unit of area equal to the area of a square with sides of 1 inch. It equals approximately 6.4516 square centimeters.
History
The square inch evolved from the British imperial system. The inch itself was historically defined as the width of a man's thumb, and was standardized to exactly 25.4 mm in 1959 by international agreement.
Current use
Square inches are used in the United States and the United Kingdom for measuring the area of small objects, cross-sections, screen sizes, pressure specifications (PSI), and manufacturing tolerances.