Mastiff Weight & Calorie Guide
Quick Facts
Ideal Weight Range
Is your Mastiff at a healthy weight?
59% of dogs are overweight — can you tell? Take our free 2-minute Body Condition Score assessment.
Mastiff Calorie Calculator
Calculate daily calorie needs in 3 steps
Frequently Asked Questions
How much should a Mastiff weigh?
The ideal weight for a Mastiff is 54–113 kg (119.0–249.1 lbs). Giant breeds have slower metabolisms, so weight management is especially important. Use our calorie calculator above to get personalized feeding recommendations.
How many calories does a Mastiff need per day?
A typical adult Mastiff weighing 84 kg needs approximately 3094–3867 kcal per day, depending on activity level and whether they are neutered. Use our breed-specific calculator above for an exact number based on your dog's details.
Is my Mastiff overweight?
59% of dogs are overweight, and most owners cannot tell just by looking. Check your Mastiff's Body Condition Score (BCS) — if you can't easily feel their ribs or they have no visible waist from above, they may be overweight. Take our free 2-minute BCS assessment above to find out.
Know Your Mastiff's Exact Calorie Needs
Calculate the perfect daily calories for your Mastiff based on their weight, age, and activity level. Prevent obesity with science-backed nutrition guidance.
Calculate Calories Now→Free · Breed-specific · Takes 30 seconds
