All forms of chocolate should be considered toxic to dogs, but some are worse than others. Should your dog gain access to chocolate, here is a chart that will give you an idea if you should call the vet or not.

Number of Ounces of Chocolate a Pet Would Need to Ingest for Toxicity

Weight of Pet                5lbs     10lbs     15lbs     20lbs     25lbs     30lbs     40lbs     50lbs     60lbs     70lbs     80lbs     90lbs     100lbs    

Milk Chocolate
(ounces)                       2           4          6          8.2        10.2      12         16.4      20.5      24.5      28.5       32.7      36.8        41_____

Dark Chocolate
(ounces)                     0.7       1.4        2.1         2.8         3.5        4.2        5.5         6.9       8.3        9.7         11        12.5       13.8___

Baking Chocolate
(ounces)                    0.23      0.5        0.7         0.9         1.2        1.4        1.9         2.3       2.8        3.2         3.7        4.1         4.6____