How many decade in 1 gigasecond? The answer is 3.1709791983765. We assume you are converting between decade and gigasecond. You can view more details on each measurement unit: decade or gigasecond The SI base unit for time is the second. 1 second is equal to 3.1709791983765E-9 decade, 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 decades and gigaseconds. Type in your own numbers in the form to convert the units!
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1 decade to gigasecond = 0.31536 gigasecond
5 decade to gigasecond = 1.5768 gigasecond
10 decade to gigasecond = 3.1536 gigasecond
20 decade to gigasecond = 6.3072 gigasecond
30 decade to gigasecond = 9.4608 gigasecond
40 decade to gigasecond = 12.6144 gigasecond
50 decade to gigasecond = 15.768 gigasecond
75 decade to gigasecond = 23.652 gigasecond
100 decade to gigasecond = 31.536 gigasecond
You can do the reverse unit conversion from gigasecond to decade, or enter any two units below:
a period of 10 years
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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