Puppy Weight Predictor

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Size chart

A typical Spanish Mastiff puppy will grow to:

122 lb 5 oz
Male average: 61kg  |  Female average: 50kg

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For a more accurate estimate, enter your Spanish 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 Spanish Mastiff puppies.

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