Axis

Energy, work & heat

femtojoulefJ

Femto-scaled variant of the joule, exactly fJ = 0.000000000000001 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 fJ = 1e-15 J
Conversion type
linear
Historical notes
Converting energy to power requires a duration.
Aliases
femto joules

Same dimension

Common conversions

Every conversion routes through the canonical base of the dimension.

1 fJ = 1e-15 J

Exact relationship

10 fJ = 1e-14 J

Exact relationship