Axis

Energy, work & heat

attojouleaJ

Atto-scaled variant of the joule, exactly aJ = 0.000000000000000001 base unit.

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

Definition record

How this unit is defined

Canonical base
1 aJ = 1e-18 J
Conversion type
linear
Historical notes
Converting energy to power requires a duration.
Aliases
atto joules

Same dimension

Related units

joulesiJnewton-metresiN·mkilowatt-hoursi acceptedkWhwatt-hoursi acceptedW·hfoot-pound-forceimperial uslbf·ftquettajoulesiQJronnajoulesiRJyottajoulesiYJ

Common conversions

Every conversion routes through the canonical base of the dimension.

1 aJ = 1e-18 J

Exact relationship

10 aJ = 1e-17 J

Exact relationship