Weight Watchers

From Jon's Wiki
Revision as of 04:00, 9 January 2007 by Johnno (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Points Formula in SI units:

p = E / 300 kJ + ms / 4 g


Where p is the (dimensionless) points value, E is the overall energy content and ms is the saturated fat content. In practice p is rounded to the nearest ½ point.

Since food labels in New Zealand specify energy content in kilojoules and saturated fat in grams, we can eliminate the units and simplify:

p = E / 300 + ms / 4

For instance 25 g of chocolate is 593 kJ and 5.8 g saturated fat, which is 3½ points.