How many week in 1 gigasecond? The answer is 1653.4391534392. We assume you are converting between week and gigasecond. You can view more details on each measurement unit: week or gigasecond The SI base unit for time is the second. 1 second is equal to 1.6534391534392E-6 week, or 1.0E-9 gigasecond. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between weeks and gigaseconds. Type in your own numbers in the form to convert the units!
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You can do the reverse unit conversion from gigasecond to week, or enter any two units below:
A week is a unit of time longer than a day and shorter than a month. In most modern calendars, including the Gregorian calendar, the week is a period of seven days, making it the longest conventionally used time unit that contains a fixed number of days. Although having no direct astronomical basis, it is widely used as a unit of time.
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigasecond = 109 arcseconds.
The definition of a second is as follows:
A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.
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