there is 3600 seconds in a hour
There are 3,600 seconds in an hour.
3600 seconds in one hour.
There are 5400 seconds in an hour and a half.
1 hour has 3,600 seconds.
3,600 seconds
1/3 of an hour is 1,200 seconds.
1/4 hour is 900 seconds.
3,600 seconds in one hour.
60 minutes in an hour and 3,600 seconds
60 (minutes/hour) x 60 (seconds/minute) = 3600 (seconds/hour).
30 minutes × 60 seconds = 1800 seconds in half an hour.