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Work it out by basic dimensional analysis!
One (average) year = 365.24 days
One day = 24 hours
One hour = 60 minutes
One minute = 60 seconds
so there are 365.24 * 24 * 60 * 60 seconds in a year.
One nanosecond is 10**9 seconds so multiply the above answer by 10**9 (or just shift the decimal point 9 places, it's loads easier)
BTW this same approach can be used to convert any comparable sets of units, e.g. miles per hour into metres per second, or even furlongs per fortnight if you really want to try.
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How many nanoseconds in one second?
There are one billion nanoseconds in one second.
How many nanoseconds ihn a second?
There are 109 nanoseconds in one second, and there are 60 x 109 nanoseconds in a minute. There are 60 x 60 x 109 nanoseconds in an hour, or 3.6 x 1012 nanoseconds in an hour.
How many nanoseconds in a second?
There are one billion nanoseconds in a second, because it is 1/1,000,000,000 of a second
How many seconds is in 9 nanoseconds?
A nanosecond is one billionth of a second, or 1/1,000,000,000 seconds. Therefore, 9 nanoseconds is nine billionths of a second, or 9/1,000,000,000 seconds, or 9.0 x 10-9 seconds.
How do you convert seconds into nanoseconds?
To convert seconds to nanoseconds, you would multiply the number of seconds by 1,000,000,000, since there are 1,000,000,000 nanoseconds in one second. For example, 1 second is equal to 1,000,000,000 nanoseconds.
