Wiktionary
net weight
n. 1 the weight of a product (especially food) without the weight of its packaging 2 the weight of a vehicle without that of its fuel, cargo, personnel etc
Usage examples of "net weight".
Reckoning ten barrels to the ton, you have ten tons for the net weight of only three quarters of the stuff of the whale’.
Some say it's a plumb bob, some say a net weight, some say it's a pendant, I say it's a divining stone, but who knows who is right?
Once, after years of ordering frozen BeeGee shrimp from a reputable seafood purveyor, Big-foot discovered a hastily applied label indicating net weight.
Reckoning ten barrels to the ton, you have ten tons for the net weight of only three quarters of the stuff of the whale's skin.