pound square foot to gram square millimeter converter

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

Example conversion: 1 lb-ft2

42140110.1 gram square millimeter

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

Target unit: gram square millimeter (g-mm2), factor 1e-09, 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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