What is the most accurate way to tell how much hard drive storage you have left?

My HARD drive is almost full and I have deleted hundreds of pictures and some movies, but the tab for storage underneath the watch more than a few GB available.  Is there a more precise way to tell?  It is a 500 GB drive MBP (mid-2012) running 10.10.5 with 8 GB of RAM...

Launchpad - disk utility - it should give you an overview of what is placed on a macro level

Tags: Notebooks

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