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# Converting units of time

CCSS.Math:

## Video transcript

we have multiple lengths of time here and there measured in minutes so what we want to do is say well it's an equivalent number of seconds and so the first one is pretty straightforward one minute is equal to 60 seconds this is by definition a second is one sixtieth of a minute but what about five minutes well we could try to visualize that if one minute so let's say that is one minute if that is equal to 60 seconds then five minutes let's just let's just make five copies of this so it's one two minutes three minutes three minutes four minutes and then five minutes so you see that five minutes would be five times 60 seconds and five times 60 is 300 so here you have so this is going to be five times 60 which is equal to 300 300 seconds so what about 10 minutes well same idea 10 times 60 is 600 seconds and what about 60 minutes well 60 minutes or 60 seconds per minute times 60 minutes is equal to 3600 seconds so that's interesting let's take things a little bit further let's convert between hours between hours minutes minutes and seconds so let's say that we have let's say let's start off with something that's a little bit more straightforward let's say that we have one hour well we know by definition one hour is equal to 60 minutes and how many seconds is 60 minutes equal to well we just figure that out 60 minutes times 60 seconds per minute gets us to 3,600 3,600 seconds 3,600 seconds now what about two hours what about two hours well it'd be the same exact idea 60 minutes per hour if I have two hours it's going to be two times sixty two hours times 60 minutes per hour gets us to 120 well how many seconds is that going to be well there's a couple of ways you could think about it you could take 120 minutes times 60 seconds per minute or you could say 2 hours times 3,600 seconds per hour so let's do it that way so 2 hours times 3,600 seconds per hour gets us to 7,200 seconds now what if we were to say 10 hours 10 hours well once again 10 times 60 10 hours times 60 minutes per hour would get us to 600 minutes and if we want to think in terms of seconds 10 hours times 3,600 minutes per 10 hours times 3,600 seconds per hour gets us to well it's going to be 3,600 tens which would be 36 36 thousand or 10 times 3,600 or 10 times 3,600