Rectangular Prism Calculator — Free Online Tool
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Rectangular Prism Calculator

Calculate volume, surface area, and space diagonal of a rectangular prism

Formula: Volume $V = l \cdot w \cdot h$, Surface Area $SA = 2(lw + wh + hl)$, Space Diagonal $d = \sqrt{l^2 + w^2 + h^2}$. Enter dimensions below.
Dimensions Input

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⚠️ For educational purposes only. Verify results with a qualified professional when making important decisions.

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