Axis

Permeance & diffusivity

metric permperm (metric)

The metric permeance unit: grams per m² per hour per mmHg.

Dimension
T³·I²/L⁻²·M
Canonical signature
L^-2*M^-1*T^3*I^2
System
metric historical
Exactness
Approximate

Definition record

How this unit is defined

Canonical base
1 perm (metric) = 1.47182e-10 S
Conversion type
linear
Historical notes
1 metric perm = 1 g/(m²·h·mmHg) ≈ 1.47 × 10⁻¹⁰ kg/(Pa·s·m²).
Aliases
metric perms

Same dimension

Related units

siemenssiSquettasiemenssiQSronnasiemenssiRSyottasiemenssiYSzettasiemenssiZSexasiemenssiESpetasiemenssiPSterasiemenssiTS

Common conversions

Every conversion routes through the canonical base of the dimension.

1 perm (metric) = 1.47182e-10 S

Approximate relationship

10 perm (metric) = 0.00000000147182 S

Approximate relationship