Formulas
Weight Watchers has not provided official confirmation of the Points or PointsPlus formulas and has aggressively sent cease and desist letters to websites and a number of third party tools that claimed to provide Points, or PointsPlus, calculations. See, e.g., Nonetheless, some companies such as ConAgra Foods have computed values for their frozen meals, Healthy Choice brand, without Weight Watcher's consent. See Weight Watchers#Criticism.
Additionally, as shown in Weight Watchers patent applications, the formulas are adapted in each country based on the information regularly provided on nutrition labels within a country.
For each program there should be three groups of formulas: a formula or chart to compute (daily) target consumption, a formula for computing the cost of foods, and a formula for computing the value of activity under the program to earn extra consumption. These formulas are present in Weight Watchers patents and are presented from those patents here.
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Famous quotes containing the word formulas:
“That’s the great danger of sectarian opinions, they always accept the formulas of past events as useful for the measurement of future events and they never are, if you have high standards of accuracy.”
—John Dos Passos (1896–1970)
“It is sentimentalism to assume that the teaching of life can always be fitted to the child’s interests, just as it is empty formalism to force the child to parrot the formulas of adult society. Interests can be created and stimulated.”
—Jerome S. Bruner (20th century)
“You treat world history as a mathematician does mathematics, in which nothing but laws and formulas exist, no reality, no good and evil, no time, no yesterday, no tomorrow, nothing but an eternal, shallow, mathematical present.”
—Hermann Hesse (1877–1962)