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
FLUIDS

Permeability

Intrinsic permeability of porous media.

mD

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

Resultm² → mDConvert square metre to millidarcy
HOW IT IS CALCULATED

Convert through square metre

Enter a square metre value to calculate millidarcy 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
square metrefrom m²Interactive
square micrometrefrom m²µm²Interactive
darcyfrom m²DInteractive
millidarcyfrom m²mDInteractive
microdarcyfrom m²µDInteractive

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