Square Inch
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Area of a 1-inch square
About Square Inch (in²)
One 144th of a square foot (approximately 6.452 square centimeters), the square inch is used for measuring small areas such as display screens, postage stamps, and pressure ratings. Tire pressure and hydraulic system ratings expressed in PSI literally mean pounds per square inch.
- Category
- Area
- Symbol
- in²
- Also known as
- sq in in2 square inches
CONVERT TO
Frequently Asked Questions
What is a Square Inch (in²)?
Area of a 1-inch square
How many Square Meter (m²) are in one Square Inch (in²)?
One Square Inch (in²) equals 0.00064516 Square Meter (m²).
How many Square Kilometer (km²) are in one Square Inch (in²)?
One Square Inch (in²) equals 6.4516 × 10⁻¹⁰ Square Kilometer (km²).
How many Square Centimeter (cm²) are in one Square Inch (in²)?
One Square Inch (in²) equals 6.4516 Square Centimeter (cm²).
How do I convert Square Inch to Square Meter?
To convert Square Inch to Square Meter, multiply the value by 0.00064516 (1 in² = 0.00064516 m²).