Square inch is area unit, symbol: [sq in]. Definition of 1 square inch ≡ 1 in × 1 in. Area equal with 1 inch by 1 inch square ≡ 0.0254 × 0.0254 = 6.4516×10−4 m². Compared to square metre, square inch is smaller unit.
• 1 [sq in] = (exactly) `0.00064516` [m²]
• 1 [m²] = (exactly) `1/(0.00064516)` [sq in] = 1550.0031000062 [sq in]
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Multiply convert of square inch to common area units:
[sq in]Area units sort by name in ABC order
See also inch length unit. http://conversion.org/length/i...