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UNIT CONVERTER

Second moment of area

Use the same section axis and orientation.

Result

SI / metric also includes non-SI metric units. Check distinctions such as US and UK units.

Results in other units

Displayed values are rounded. Check the unit type and definition before use.

How to convert, examples and notes

About second moment of area conversion

Choose the input and output units, then enter a number. The result updates on this device.

Conversion examples (rounded)

  • 1 mm⁴ = 0.0001 cm⁴
  • 10 mm⁴ = 0.001 cm⁴

Some supported units: mm⁴ · cm⁴ · m⁴ · in⁴ (4 units in this category).

Use the same section axis and orientation.

The nearby list shows the reference unit and up to two rows on either side. Expand it to see every unit. Check SI / metric, imperial / US customary and other definitions before important use.

How do you convert cm⁴ to mm⁴?

This quantity uses length to the fourth power: multiply cm⁴ by 10⁴ = 10,000 to obtain mm⁴.

  • 1 cm⁴ = 10,000 mm⁴
  • 1 in⁴ = 416,231.4256 mm⁴
Is this the same as mass moment of inertia?

No. Second moment of area has units of length⁴; mass moment of inertia has units of mass × length². Compare values about the same section axis and orientation.

Conversion table for 1 mm⁴

Fixed reference values, rounded to 10 significant digits. Use the converter above for your own value.

UnitName1 mm⁴ equals
mm⁴Millimetre to the fourth1 mm⁴
cm⁴Centimetre to the fourth0.0001 cm⁴
m⁴Metre to the fourth0.000000000001 m⁴
in⁴Inch to the fourth0.00000240250961 in⁴