Second Moment of Area of a Square

Second Moment of Area of a Square formulas
\( I_{x} \;=\; \dfrac{ a^4}{ 12 }\) \( I_{y} \;=\; \dfrac{ a^4}{ 12 }\) \( I_{x1} \;=\; \dfrac{ a^4}{ 3 }\) \( I_{y1} \;=\; \dfrac{ a^4}{ 3 }\)
Symbol	English	Metric
\( I \) = moment of inertia	\( in^4 \)	\( mm^4 \)
\( a, b, c, d \) = edge	\( in \)	\( mm \)