Net weight is the weight of an item minus its packaging and any additional items contributing to its total weight. It applies to all weighable objects and is important for consumers to judge the value of a product. To calculate net weight, subtract the tare weight from the total weight. This is important for products like cereal and oranges, as well as for measuring a person’s weight.
Net weight is a term that describes the weight of an item, minus the weight of any containers or packaging it is in, and the weight of any additional items contributing to its total or gross weight. While the term is normally associated with commercially manufactured and packaged items, such as grains, apples, or detergents, it can also apply to people, live chickens, or any other weighable object. The requirement for commercial sellers to measure net weight ensures that consumers can judge for themselves whether they are getting good value for the money they spend on products.
To calculate the net weight of an item, you need to know two measurements: the total weight and the tare weight. The simplest calculation is the total weight minus the tare. Total weight is the mass displacement in pounds or kilograms of the entire item, including its packaging and anything else attached to it. The tare weight is the combined mass displacement of the enclosed container, packaging, or other items that are not considered the actual product. The net weight is always obtained by subtracting the tare weight from the total weight.
An example of a product where you need to know the net weight is canned breakfast cereal. When a consumer buys a box of cereal, simply looking at a large container might lead him to believe that he is buying more cereal than if he buys a smaller container. If the net weight of the grain in both containers is the same, the consumer can then make an informed decision about the value of the grain purchase price. In general, if the network differs, the consumer must divide the price per unit of weight to determine which product has more value for money.
If a consumer buys 11 pounds (about 5 kg) of oranges in a crate, the total weight of the purchase including the crate might be 15 pounds (about 6.8 kg). The consumer would only have to pay for the 11 pounds (about 5 kg) of oranges in his purchase price, rather than the crate tare in which they are packed. Similarly, items that are stored on pallets or plastic sheeting must be weighed separately from those materials to determine their net weight.
A body’s net weight is detectable if a person removes all clothing and accessories before stepping completely naked on a scale. If modesty precludes such action, it is also possible to reach the same conclusion through a different approach. Measuring the weight of clothing and accessories first provides the tare or container weight. Putting on the previously weighed items and then stepping on the scale will provide the total weight. Subtracting the tare weight from the total weight gives the net body weight.
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