exactly 1000 milliseconds are in 1 second
seven seconds
A millisecond is one thousandth of a second.
1000 microseconds = 1 millisecond
there are 1000 milliseconds in a second.
A nanosecond is 10-9 seconds. A millisecond is 10-3 seconds. There are 103 nanoseconds in a millisecond.
I have never heard of a macrosecond. However, there are 1000 microseconds in a millisecond.
It is 1/3
1,000,000.
1,000
1
1,000
0.001