Originally Posted by
ArizonaGuy
Brings back memories of trying to explain that the 5oz net weight tube of toothpaste I had actually had less volume than the 3 fl oz tube of hair gel. Pointing out the obvious size difference of the tubes didn't help.
Since a dry ounce (which is the same as a net-weight ounce) weights about 16% more than a liquid ounce, the 5oz net weight toothpaste would weigh more (5 x 1.16) than the the 3 fluid ounce tube of hair gel.