Time converter

22 units, SI unit s. Every conversion runs through the SI base value, so round-trips are exact.

sig figs
1 min in every time unit
Planck time1.11e+45 tP
attosecond6.00e+19 as
femtosecond6.00e+16 fs
picosecond60,000,000,000,000 ps
nanosecond60,000,000,000 ns
shake6,000,000,000 shake
microsecond60,000,000 µs
millisecond60,000 ms
second60 s
minute1 min
hour0.0167 h
sidereal day0.000696 sd
day0.000694 d
week0.0000992 wk
fortnight0.0000496 fn
month0.0000228 mo
year0.0000019 yr
decade1.90e-07 dec
century1.90e-08 cent
millennium1.90e-09 mil
megayear1.90e-12 Myr
eon1.90e-15 eon
One second in every unit
Planck time (tP)1.8548584e+43 tP
attosecond (as)1.0000000e+18 as
femtosecond (fs)1,000,000,000,000,000 fs
picosecond (ps)1,000,000,000,000 ps
nanosecond (ns)1,000,000,000 ns
shake (shake)100,000,000 shake
microsecond (µs)1,000,000 µs
millisecond (ms)1,000 ms
second (s)1 s
minute (min)0.016666667 min
hour (h)0.00027777778 h
sidereal day (sd)0.000011605763 sd
day (d)0.000011574074 d
week (wk)0.0000016534392 wk
fortnight (fn)8.2671958e-07 fn
month (mo)3.8026486e-07 mo
year (yr)3.1688088e-08 yr
decade (dec)3.1688088e-09 dec
century (cent)3.1688088e-10 cent
millennium (mil)3.1688088e-11 mil
megayear (Myr)3.1688088e-14 Myr
eon (eon)3.1688088e-17 eon