60 seconds = 1 minute so 330 seconds = 5.5 minutes
60 minutes = 1 hour so 5.5 minutes = 0.0916666... hours
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To convert hours to seconds, multiply by 3600.
5 1/2 hours 19,800 seconds about 0.435 days
1,000 seconds is 0.2778 hours.
45 seconds is 0.0125 hours.
One hour is equal to 60 x 60 = 3600 seconds. Therefore, 1440 seconds is equal to 1440/3600 = 0.4 hours.