gram square millimeter to pound square foot converter

Convert gram square millimeter to pound square foot in the Mass moment of inertia family. See a sample calculation, unit definitions, and the interactive converter.

Example conversion: 1 g-mm2

2.37303604e-08 pound square foot

This example is calculated from the same unit registry used by the interactive converter.

Formula and unit definitions

Convert mass moment of inertia, distinct from second moment of area.

target value = source value × source factor ÷ target factor

Source unit: gram square millimeter (g-mm2), factor 1e-09, offset 0.

Target unit: pound square foot (lb-ft2), factor 0.0421401101, offset 0.

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Important note

The calculation is performed locally from the listed unit definitions. Display results are rounded for readability; high-precision and regulated work should use the governing standard and appropriate significant figures.

For high-precision, regulated or safety-critical use, check the underlying standard and its required precision. Historical and approximate units are identified in their names or family descriptions.

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