How to convert square inches to square meters
To convert a measurement in square inches to square meters, multiply the value by 0.00064516. The conversion factor comes from the relationship between both units and the square meter.
For example, to convert 5 in² to square meters: 5 × 0.00064516 = 0.0032258 m².
What is a square inch?
A square inch is an imperial and US customary unit of area equal to the area of a square one inch on each side, exactly 6.4516 square centimeters. The square inch is used for small areas in the US and UK, notably in engineering where pressure is measured in pounds per square inch (psi), one of the most common pressure units in the world.
Common uses of square inches include: Pressure measurement (pounds per square inch); Print and display area; Small material and gasket areas; Product surface and packaging specs.
What is a square meter?
A square meter is the SI derived unit of area, equal to the area of a square one meter on each side, about 10.764 square feet. The square meter follows directly from the meter, the SI base unit of length. It is the standard unit for floor area and land measurement across most of the world, often written 'sqm' in real estate.
Common uses of square meters include: Floor area and room size in real estate; Flooring, tiling, and carpet ordering; Land plot size in metric countries; Solar panel and roofing coverage.
Square Inches to square meters worked examples
Here are some common values converted:
1 in² = 0.00064516 m² 5 in² = 0.0032258 m² 10 in² = 0.0064516 m² 50 in² = 0.032258 m² 100 in² = 0.064516 m²
Frequently asked questions
How many square meters are in one square inch?
One square inch (in²) equals 0.00064516 square meters (m²). Multiply any value in square inches by 0.00064516 to convert to square meters.
How do I convert square inches to square meters?
Multiply the value in square inches by 0.00064516. For example, 5 in² × 0.00064516 = 0.0032258 m².
How do I convert square meters to square inches?
Multiply the value in square meters by 1,550.0031, or divide by 0.00064516. Use the swap button on the converter above to reverse the direction.
Is the square inch to square meter conversion exact?
Yes. Area conversions derive from the exact 1959 international definitions of the meter, yard, and foot, so the factors are exact.
What is the formula for square inches to square meters?
The formula is: m² = in² × 0.00064516. This comes from the definition of both units relative to the square meter.