Puppy Weight Predictor

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Size chart

A typical Mastiff puppy will grow to:

181 lb 14 oz
Male average: 86kg  |  Female average: 79kg

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For a more accurate estimate, enter your Mastiff puppy's current age and weight into our Puppy Weight Predictor to predict its adult size.
Please note this is an estimate based on typical growth patterns for Mastiff puppies.

Other Working Dogs

Entelbuch Mountain Dog  |  Estrela Mountain Dog  |  St Bernard  |  New Guinea Singing Dog  |  Newfoundland