Axis

Pressure & stress

attopascalaPa

Atto-scaled variant of the pascal, exactly aPa = 0.000000000000000001 base unit.

Dimension
pressure
Canonical signature
L^-1*M*T^-2
System
si
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 aPa = 1e-18 Pa
Conversion type
linear
Historical notes
Stress shares the unit but represents a different physical concept.
Aliases
atto pascals

Same dimension

Related units

pound per square inchimperial uspsipascalsiPabarsi acceptedbarkilopound per square inchimperial uskpsimegapound per square inchimperial usMpsiquettapascalsiQParonnapascalsiRPayottapascalsiYPa

Common conversions

Every conversion routes through the canonical base of the dimension.

1 aPa = 1e-18 Pa

Exact relationship

10 aPa = 1e-17 Pa

Exact relationship