| Did you mean to convert | gigaarcsecond gigasecond |
to | arcsecond second |
How many gigasecond in 1 second? The answer is 1.0E-9. We assume you are converting between gigasecond and second. You can view more details on each measurement unit: gigasecond or second The SI base unit for time is the second. 1 gigasecond is equal to 1000000000 second. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between gigaseconds and seconds. Type in your own numbers in the form to convert the units!
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1 gigasecond to second = 1000000000 second
2 gigasecond to second = 2000000000 second
3 gigasecond to second = 3000000000 second
4 gigasecond to second = 4000000000 second
5 gigasecond to second = 5000000000 second
6 gigasecond to second = 6000000000 second
7 gigasecond to second = 7000000000 second
8 gigasecond to second = 8000000000 second
9 gigasecond to second = 9000000000 second
10 gigasecond to second = 10000000000 second
You can do the reverse unit conversion from second to gigasecond, or enter any two units below:
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.
The second (symbol s) is a unit for time, and one of seven SI base units. It is 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 zero kelvins.
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