Second moment of area
Area moment of inertia for section stiffness.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert millimetre to the fourth power (mm⁴) to metre to the fourth power (m⁴). Enter a value for an instant result, or use the examples and reverse conversion below.
Area moment of inertia for section stiffness.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a millimetre to the fourth power value to calculate metre to the fourth power with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| millimetre to the fourth powerfrom mm⁴ | mm⁴ | 1 |
| centimetre to the fourth powerfrom mm⁴ | cm⁴ | 0.0001 |
| metre to the fourth powerfrom mm⁴ | m⁴ | 1e-12 |
| inch to the fourth powerfrom mm⁴ | in⁴ | 0.00000240251 |
| foot to the fourth powerfrom mm⁴ | ft⁴ | 1.15862e-10 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Millimetre To The Fourth Power (mm⁴) and metre to the fourth power (m⁴) are units of second moment of area. Use this page to convert in either direction.
| Millimetre To The Fourth Power (mm⁴) | Metre To The Fourth Power (m⁴) |
|---|---|
| 1 mm⁴ | 1e-12 m⁴ |
| 5 mm⁴ | 5e-12 m⁴ |
| 10 mm⁴ | 1e-11 m⁴ |
| 100 mm⁴ | 1e-10 m⁴ |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
m⁴ to mm⁴ (metre to the fourth power to millimetre to the fourth power)