### Convert Years to:

- Years to
**Callippic Cycles**- 1 Callippic cycles is exactly equal to 441 hollow months (29 days) plus 499 full months (30 days). This is 76 Julian years (365.25 days per Julian year).

- Years to
**Centiseconds**- A centisecond is exactly 0.01 seconds. One hundredth of a second.

- Years to
**Centuries**- 100 yr

- Years to
**Days**- 1 day is 24 hours. The amount of time required for one full rotation of the Earth from the perspective of the Sun. More specifically this unit is known as a solar day. 1 Solar day = 86 400 seconds (SI base unit). 1 d = 86400 s.

- Years to
**Days (sidereal)**- The amount of time needed for the earth to rotate once around its axis as viewed from a distance star. Approximately 23 hours, 56 minutes, and 4.1 seconds. 86,164.1 seconds. See
*Days*for 24 hour solar day.

- The amount of time needed for the earth to rotate once around its axis as viewed from a distance star. Approximately 23 hours, 56 minutes, and 4.1 seconds. 86,164.1 seconds. See
- Years to
**Decades**- 10 yr

- Years to
**Decaseconds**- A decasecond is exactly 10 seconds. 1 das = 10 s. Ten seconds.

- Years to
**Deciseconds**- A decisecond is exactly 0.1 seconds. One tenth of a second.

- Years to
**Femtoseconds**- A femtosecond is exactly 1 x 10
^{-15}seconds. A quadrillionth of a second.

- A femtosecond is exactly 1 x 10
- Years to
**Fortnights**- 2 Weeks.

- Years to
**Gigaseconds**- A gigasecond is exactly 1,000,000,000 seconds. A billion seconds.

- Years to
**Hectoseconds**- A decasecond is exactly 100 seconds. 1 hs = 100 s. One hundred seconds.

- Years to
**Heleks**- 1 Helek is equal to 1/1080 hours.

- Years to
**Hipparchic Cycles**- 1 Happarchic cycles is one day less than 4 Callippic cycles. 304 Julian years (365.25 days) minutes 1 day.

- Years to
**Hours**- 60 Minutes. In SI units 3600 seconds.

- Years to
**Jiffies**- 1/60
^{th}Seconds.

- 1/60
- Years to
**Jiffies (alternative)**- 1/100
^{th}Seconds.

- 1/100
- Years to
**Ke**- 1 ke is 1/4 of an hour. 900 seconds.

- Years to
**Ke (traditional)**- 1 ke is 1/100
^{th}of a day.

- 1 ke is 1/100
- Years to
**Kiloseconds**- A kilosecond is exactly 1,000 seconds. A thousand seconds.

- Years to
**Lustres**- 1 Lustre is equal to 5 years of 365 days each.

- Years to
**Megaseconds**- A megasecond is exactly 1,000,000 seconds. A million seconds.

- Years to
**Metonic Cycles**- 1 Metonic cycle is equal to 110 hollow months (29 days) plus 125 full months (30 days). The equates to 6940 days or approximately 19 years.

- Years to
**Microfortnights**- 1 Microfortnight is equal to 14 / 1000000 days or 1.2096 seconds. It is intended to be used only for humour or obfuscation. 1 µfn = 1.2096 s.

- Years to
**Microseconds**- A microsecond is exactly 1 x 10
^{-6}seconds. 1 µs = 0.000,001 s. One millionth of a second.

- A microsecond is exactly 1 x 10
- Years to
**Millennia**- 1 Millennium is equal to 1,000 years. In this calculation Julian years are being used (365.25 days).

- Years to
**Millidays**- 1/1000 Days. In SI units 86.4 seconds.

- Years to
**Millifortnights**- 1 Millifortnight is equal to 14 / 1000 days or 1209.6 seconds. It is intended to be used only for humour or obfuscation. 1 mfn = 1209.6 s.

- Years to
**Milliseconds**- A millisecond is exactly 1 x 10
^{-3}seconds. 1 ms = 0.001 s.

- A millisecond is exactly 1 x 10
- Years to
**Minutes**- 60 Seconds.

- Years to
**Moments**- 90 Seconds.

- Years to
**Months**- 30 Days, for the purposes of calculation.

- Years to
**Months (hollow)**- 1 Hollow months is 29 days.

- Years to
**Nanofortnights**- 1 Nanofortnight is equal to 14 / 1000000000 days or 0.0012096 seconds. It is intended to be used only for humour or obfuscation. 1 nfn = 0.0012096 s.

- Years to
**Nanoseconds**- A nanosecond is exactly 1 x 10
^{-9}seconds. 1 ns = 0.000,000,001 s.

- A nanosecond is exactly 1 x 10
- Years to
**Octaeterides**- 1 Ocaeteris is roughly 2922 days.

- Years to
**Picoseconds**- A picosecond is exactly 1 x 10
^{-12}seconds. 1 ps = 0.000,000,000,001 s.

- A picosecond is exactly 1 x 10
- Years to
**Seconds**- time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 K (but other seconds are sometimes used in astronomy)

- Years to
**Shakes**- 1 Shake is equal to 10 nanoseconds.

- Years to
**Sigmas**- 1 Sigma is equal to 1 microsecond.

- Years to
**Sols**- 1 Sol is a martian solar day, one full rotation of Mars from the perspective of the Sun. Approximately 88775.24409 seconds or 24 hours, 39 minutes, 35.24409 seconds; slightly variable due to orbital eccentricity. 1 sol = 88775.24409 s.

- Years to
**Sothic Cycles**- 1 Sothic cycle is equal to 1461 years of 365 days. Also 1460 Julian years (365.25 days).

- Years to
**Svedbergs**- 1 Svedberg is equal to 10
^{-8}seconds.

- 1 Svedberg is equal to 10
- Years to
**Teraseconds**- A terasecond is exactly 1,000,000,000,000 seconds. A trillion seconds.

- Years to
**Weeks**- 1 Week is equal to 7 days. In SI units 1 week is 604,800 seconds.

- Years to
**Years (Julian)**- 1 Year (Julian) contains 365.25 days, in SI units it is equal to 31,557,600 seconds.

- Years to
**Years (sidereal)**- 1 Year (sidereal) is exactly equal to the time taken for the Sun to return to the same position with respect to the star of the celestial sphere. In SI units the is approximately 31,446,925 seconds.

- Years to
**Years (tropical)**- 1 Year (tropical) is the time taken for the Sun to return to the same position in the cycle of seasons. In Si units the is 31,556,925 seconds.