Axis

Permeability

darcyD

The permeability unit of porous media.

Dimension
area
Canonical signature
L^2
System
imperial us
Exactness
Exact by definition

Definition record

How this unit is defined

Canonical base
1 D = 9.86923266716e-13 m²
Conversion type
linear
Historical notes
Defined via the flow of a fluid of 1 cP at 1 cm/s under 1 atm/cm gradient.
Aliases
darcies, darcy permeability

Same dimension

Related units

square metresim²hectaresi acceptedhaacreimperial usaclitre per 100 kilometressi acceptedL/100kmbarnsi acceptedbarnaresi acceptedaroodimperial usroodtsubojapanesetsubo

Common conversions

Every conversion routes through the canonical base of the dimension.

1 D = 9.86923266716e-13 m²

Exact by definition relationship

10 D = 9.86923266716e-12 m²

Exact by definition relationship