Point plus is the Old system used by weight watchers to determine the value of a food product. This was discontinued in December, 2015 and replaced with Smart points. But, this is still a very famous method or program of ww which is followed by millions due to its simplicity.
You can easily calculate weight watchers point plus value of a food product by entering the details mentioned on the calculator on the right side. There are charts available for a lot of food items but due to the vast number of items there are no charts available for many products. This calculator comes in handy where charts fail.