The Student Room Group

converting minutes to seconds

Is 3.15 mins = 189 seconds or 195seconds?
Reply 1
Original post by franniexo
Is 3.15 mins = 189 seconds or 195seconds?


189 seconds since 15% of 60 seconds (1 minute) is 9 seconds, not 15 :smile:

Posted from TSR Mobile
Reply 2
Original post by 98matt
189 seconds since 15% of 60 seconds (1 minute) is 9 seconds, not 15 :smile:

Posted from TSR Mobile


This is because on a stop watch it says 3.15 min so i wasn't sure where the .15 was the seconds or the 15%of the minute
Reply 3
Original post by franniexo
This is because on a stop watch it says 3.15 min so i wasn't sure where the .15 was the seconds or the 15%of the minute


Oh well in that case it would be 180+15 = 195 seconds. That's usually written as 3:15 so as not to be mistaken with 3.15

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