- second [s]
- 1 millisecond [ms] = 0.001 second [s]
millisecond to second, second to millisecond
- 1 minute [min] = 60 second [s]
minute to second, second to minute
- 1 hour [h] = 3600 second [s]
hour to second, second to hour
- 1 day [d] = 86400 second [s]
day to second, second to day
- 1 week = 604800 second [s]
week to second, second to week
- 1 month = 2628000 second [s]
month to second, second to month
- 1 year [y] = 31557600 second [s]
year to second, second to year
- 1 decade = 315576000 second [s]
decade to second, second to decade
- 1 century = 3155760000 second [s]
century to second, second to century
- 1 millennium = 31557600000 second [s]
millennium to second, second to millennium
- 1 microsecond [µs] = 1.0E-6 second [s]
microsecond to second, second to microsecond
- 1 nanosecond [ns] = 1.0E-9 second [s]
nanosecond to second, second to nanosecond
- 1 picosecond [ps] = 1.0E-12 second [s]
picosecond to second, second to picosecond
- 1 femtosecond [fs] = 1.0E-15 second [s]
femtosecond to second, second to femtosecond
- 1 attosecond [as] = 1.0E-18 second [s]
attosecond to second, second to attosecond
- 1 shake = 1.0E-8 second [s]
shake to second, second to shake
- 1 month (synodic) = 2551443.84 second [s]
month (synodic) to second, second to month (synodic)
- 1 year (Julian) = 31557600 second [s]
year (Julian) to second, second to year (Julian)
- 1 year (leap) = 31622400 second [s]
year (leap) to second, second to year (leap)
- 1 year (tropical) = 31556930 second [s]
year (tropical) to second, second to year (tropical)
- 1 year (sidereal) = 31558149.54 second [s]
year (sidereal) to second, second to year (sidereal)
- 1 day (sidereal) = 86164.09 second [s]
day (sidereal) to second, second to day (sidereal)
- 1 hour (sidereal) = 3590.1704166667 second [s]
hour (sidereal) to second, second to hour (sidereal)
- 1 minute (sidereal) = 59.8361736111 second [s]
minute (sidereal) to second, second to minute (sidereal)
- 1 second (sidereal) = 0.9972695602 second [s]
second (sidereal) to second, second to second (sidereal)
- 1 fortnight = 1209600 second [s]
fortnight to second, second to fortnight
- 1 septennial = 220752000 second [s]
septennial to second, second to septennial
- 1 octennial = 252288000 second [s]
octennial to second, second to octennial
- 1 novennial = 283824000 second [s]
novennial to second, second to novennial
- 1 quindecennial = 473040000 second [s]
quindecennial to second, second to quindecennial
- 1 quinquennial = 157680000 second [s]
quinquennial to second, second to quinquennial
- 1 Planck time = 5.39056E-44 second [s]
Planck time to second, second to Planck time