# Inputs data - value and unit, which we're going to convert#

Value | ||

Unit | ||

Decimals |

# Popular#

Unit | Symbol | Symbol (plain text) | Value | Notes |

second | Show source$s$ | s | 1 | The base time unit in the SI system. The one second is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at a zero absolute temperature (0 K). |

minute | Show source$min$ | min | 0.016666667 | The equivalent to sixty seconds (60 s).$1\ min = 60\ s$ |

hour | Show source$h$ | h | 0.000277778 | The equivalent to sixty minutes (60 min).$1\ h = 60\ min = 3600\ s$ |

day | Show source$d$ | d | 0.000011574 | The equivalent to twenty four hours (24 h).$1\ d = 24\ h = 1440 min = 86400\ s$ |

# Financial (360 days in the year)#

Unit | Symbol | Symbol (plain text) | Value | Notes |

year | Show source$y$ | y | 3.215020576×10^{-8} | The arbitrary time unit used in finances for example to calculate deposit or loan rates. In this case we arbitraly assume, that the one year corresponds exactly to 360 days. The names encountered are the banking year or the fiscal year.$1\ \text{banking year} = 360\ days$ |

quarter | Show source$q$ | q | 1.28600823×10^{-7} | Equivalent to 1/4 of 360 day banking year.$1\ \text{quarter} = \frac{1}{4}\ year$ |

month | Show source$m$ | m | 3.858024691×10^{-7} | Equivalent to 1/12 of 360 day banking year.$1\ \text{month} = \frac{1}{12}\ year$ |

# Financial (365 days in the year)#

Unit | Symbol | Symbol (plain text) | Value | Notes |

year | Show source$y$ | y | 3.170979198×10^{-8} | The arbitrary time unit used in finances for example to calculate deposit or loan rates. In this case we arbitraly assume, that the one year corresponds exactly to 365 days. The names encountered are the banking year or the fiscal year.$1\ \text{banking year} = 365\ days$ |

quarter | Show source$q$ | q | 1.268391679×10^{-7} | Equivalent to 1/4 of 365 day bank year.$1\ \text{quarter} = \frac{1}{4}\ year$ |

month | Show source$m$ | m | 3.805175038×10^{-7} | Equivalent to 1/12 of 365 day bank year.$1\ \text{month} = \frac{1}{12}\ year$ |

# SI units#

Unit | Symbol | Symbol (plain text) | Value | Notes |

yottasecond | Show source$Ys$ | Ys | 1×10^{-24} | Derived time unit in SI system. One yottasecond is equal to septylion of second: $1\ Ys= 10^{24}\ s$ |

zettasecond | Show source$Zs$ | Zs | 1×10^{-21} | Derived time unit in SI system. One zettasecond is equal to sextillion of second: $1\ Zs= 10^{21}\ s$ |

exasecond | Show source$Es$ | Es | 1×10^{-18} | Derived time unit in SI system. One exasecond is equal to quintillion of second: $1\ Es= 10^{18}\ s$ |

petasecond | Show source$Ps$ | Ps | 1×10^{-15} | Derived time unit in SI system. One petasecond is equal to quadrillion of second: $1\ Ps= 10^{15}\ s$ |

terasecond | Show source$Ts$ | Ts | 1×10^{-12} | Derived time unit in SI system. One terasecond is equal to trillion of second: $1\ Ts= 10^{12}\ s$ |

gigasecond | Show source$Gs$ | Gs | 1×10^{-9} | Derived time unit in SI system. One gigasecond is equal to billion of second: $1\ Gs= 10^{9}\ s$ |

megasecond | Show source$Ms$ | Ms | 0.000001 | Derived time unit in SI system. One megasecond is equal to million of second: $1\ Ms=1000000\ s= 10^{6}\ s$ |

kilosecond | Show source$ks$ | ks | 0.001 | Derived time unit in SI system. One kilosecond is equal to thausand of second: $1\ ks=1000\ s= 10^{3}\ s$ |

hektosecond | Show source$hs$ | hs | 0.01 | Derived time unit in SI system. One hektosecond is equal to hundred of second: $1\ hs=100\ s= 10^{2}\ s$ |

second | Show source$s$ | s | 1 | The base time unit in the SI system. The one second is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at a zero absolute temperature (0 K). |

decisecond | Show source$ds$ | ds | 10 | Derived time unit in SI system. One decisecond is equal to one tenth of second: $1\ ds=0.1\ s= 10^{-1}\ s$ |

centisecond | Show source$cs$ | cs | 100 | Derived time unit in SI system. One centisecond is equal to one hundredth of second: $1\ cs=0.01\ s= 10^{-2}\ s$ |

milisecond | Show source$ms$ | ms | 1000 | Derived time unit in SI system. One milisecond is equal to one thousandth of second: $1\ ms=0.001\ s= 10^{-3}\ s$ |

microsecond | Show source$\mu s$ | µs | 1000000 | Derived time unit in SI system. One microsecond is equal to one millionth of second: $1\ \mu s=0.000001\ s= 10^{-6}\ s$ |

nanosecond | Show source$ns$ | ns | 1000000000 | Derived time unit in SI system. One nanosecond is equal to one billionth of second: $1\ ns= 10^{-9}\ s$ |

pikosecond | Show source$ps$ | ps | 1×10^{12} | Derived time unit in SI system. One pikosecond is equal to one trillionth of second: $1\ ps= 10^{-12}\ s$ |

femtosecond | Show source$fs$ | fs | 1×10^{15} | Derived time unit in SI system. One femtosecond is equal to one quadrillionth of second: $1\ fs= 10^{-15}\ s$ |

attosecond | Show source$as$ | as | 1×10^{18} | Derived time unit in SI system. One attosecond is equal to one quintillionth of second: $1\ as= 10^{-18}\ s$ |

zeptosecond | Show source$zs$ | zs | 1×10^{21} | Derived time unit in SI system. One zeptosecond is equal to one sextillionth of second: $1\ zs= 10^{-21}\ s$ |

yoctosecond | Show source$ys$ | ys | 1×10^{24} | Derived time unit in SI system. One yoctosecond is equal to one septillionth of second: $1\ ys= 10^{-24}\ s$ |

# Some facts#

- Time allows us to sort events according to
**their occurence**. - Time is a
**scalar quantity**, which means that it is enough to give one number (values). - The basic
**unit of time**in the SI system is**one second**(1 s). - The definition of a second changes with the progress of physics. In 1967, at the XIII General Conference on Weights and Measures, the second was defined as
*"the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at a temperature of 0 K"*. - In
**classical physics**time is treated in a**special way**. It is assumed that time is an**independent quantity**, which exists independently in isolation from all other quantities. - In
**relativistic physics**time is**one of the coordinates**treated analogously to the space x,y,z coordinates (in Cartesian system).

# See also#

- If you are interested in this page, check our other calculators related to time:
- Time: Date and time formats - date conversion between different formats and according to different calendars in the world,
- Time units - converter of different time units e.g. hours to minutes or vice versa,
- Add or subtract days/months/years to date - check what day it will be for the number of days, months or years you have chosen,
- Work time - check how many hours or working days fall on selected period,
- Dates difference - check how much time has passed the dates you selected,
- Sleep time - check how many hours, days, years etc. you spent sleeping,
- Life time - check exactly how many hours or days of life are behind you,
- Time to holidays - check how much time is left until the next period off from work or school,
- Time to new year - check how much time is left until the end of the current year,
- State pension age - check how much time you still need to work to get the right to retirement.

- Time: Date and time formats - date conversion between different formats and according to different calendars in the world,

# How to convert#

**Enter the number to field "value"**- enter the NUMBER only, no other words, symbols or unit names. You can use dot (**.**) or comma (**,**) to enter fractions.

Examples:- 1000000
- 123,23
- 999.99999

**Find and select your starting unit in field "unit"**. Some unit calculators have huge number of different units to select from - it's just how complicated our world is...**And... you got the result**in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.

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