EVERYDAY · ENGINEERING · SCIENCE

Unit conversion. Made clear.

Start with a familiar unit, type a value, and get a dependable answer with sensible precision. Fractions and scientific notation are welcome.

520units ready to convert
STRUCTURAL

Second moment of area

Area moment of inertia for section stiffness.

cm⁴
ft⁴

Try a decimal, 1e-9, 1/3, or 5 1/2.

Resultcm⁴ → ft⁴Convert centimetre to the fourth power to foot to the fourth power
HOW IT IS CALCULATED

Convert through metre to the fourth power

Enter a centimetre to the fourth power value to calculate foot to the fourth power with full internal precision before display rounding.

Display precisionAuto · 12 significant digits

Auto keeps up to 12 significant digits, trims unnecessary zeroes, and switches to scientific notation for extreme magnitudes.

QUICK REFERENCE

All units in this quantity

UnitSymbolConverted value
millimetre to the fourth powerfrom cm⁴mm⁴Interactive
centimetre to the fourth powerfrom cm⁴cm⁴Interactive
metre to the fourth powerfrom cm⁴m⁴Interactive
inch to the fourth powerfrom cm⁴in⁴Interactive
foot to the fourth powerfrom cm⁴ft⁴Interactive

SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.