EXTRA LARGE
A typical Mastiff puppy will grow to:
181 lb 14 ozMale average: 86kg | Female average: 79kgShare this on:
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
Rottweiler | Karelian Bear Dog | Portuguese Watchdog | Perro de Presa Mallorquin | Finnish Spitz