Second Moment of Area of a Square Channel formulas |
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\( I_{x} \;=\; \dfrac{ w\cdot l^3 - h^3 \cdot \left( w - t \right) }{ 12 } \) \( I_{y} \;=\; \dfrac{ 2\cdot s\cdot w^3 + h\cdot t^3 }{ 3 } - A\cdot C_{x}{^2} \) \( I_{x1} \;=\; I_{x} + A\cdot C_{y}{^2} \) \( I_{y1} \;=\; I_{y} + A\cdot C_{x}{^2} \) |
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| Symbol | English | Metric |
| \( I \) = moment of inertia | \( in^4 \) | \( mm^4 \) |
| \( A \) = area | \( in^2 \) | \( mm^2 \) |
| \( C \) = distance from centroid | \( in \) | \( mm \) |
| \( h \) = height | \( in \) | \( mm \) |
| \( l \) = height | \( in \) | \( mm \) |
| \( s \) = thickness | \( in \) | \( mm \) |
| \( t \) = thickness | \( in \) | \( mm \) |
| \( w \) = width | \( in \) | \( mm \) |
