Axis

Time & duration

quectosecondqs

Quecto-scaled variant of the second, exactly qs = 0.000000000000000000000000000001 base unit.

Dimension
time
Canonical signature
T
System
si
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 qs = 1e-30 s
Conversion type
linear
Historical notes
Defined from the caesium-133 hyperfine transition frequency (SI 2019).
Aliases
quecto sec, quecto seconds, quecto secs

Same dimension

Related units

secondsisminutesi acceptedminhoursi acceptedhdaysi accepteddyear (Julian)astronomicalyrweeksi acceptedwkquettasecondsiQsronnasecondsiRs

Common conversions

Every conversion routes through the canonical base of the dimension.

1 qs = 1e-30 s

Exact relationship

10 qs = 1e-29 s

Exact relationship