Breed guide

American Bulldog: healthy weight & calories

A healthy adult American Bulldog usually weighs 27 to 50 kg (59.5 to 110.2 lb). That is a wide range because frame size varies a lot even within one breed, so how they feel under your hands matters more than the number alone.

Daily calories by activity level

Estimated for a American Bulldog at 38.5 kg, a healthy weight in the middle of the breed range. Resting energy is 70 × weight0.75 kcal; the multiplier below scales it up for how much they move and whether they are desexed.

ActivityDesexedEntire
Mostly restsa few short potty walks 1,298 kcal 1,515 kcal
Short daily walks20 to 30 minutes total 1,515 kcal 1,731 kcal
Active most days45 to 60 minutes, some play 1,731 kcal 1,947 kcal
Very activeruns, hikes or dog sport 1,947 kcal 2,164 kcal

Puppies get roughly twice their resting energy while growing, about 2,164 kcal a day at this weight, but puppy needs change every few weeks so this is a starting point, not a fixed number. Seniors typically need about 10% less than an adult at the same activity level.

Good to know for a American Bulldog

Steady beats dramatic. A fixed routine of weighed meals and predictable walks moves the number faster than any single big change.

Why the weight matters

Studies of dogs a similar size to a American Bulldog found overweight dogs had a shorter median life span than lean ones, by 0.4 to 0.9 years (Salt et al. 2019). That is an association from observational data, not a promise, but it is one of the largest studies of its kind.

Get their exact numbers

This page gives a breed-level estimate. For portions in grams, a calorie target adjusted for your dog's own age, activity and desexed status, and a 7-day activity plan, take the free 60-second check.

Check American Bulldog free →

How much should a American Bulldog weigh?

A healthy adult American Bulldog typically weighs 27 to 50 kg (59.5 to 110.2 lb). Frame size varies a lot within a breed, so body condition (can you feel the ribs?) matters more than the number on the scale.

How many calories does a American Bulldog need a day?

A desexed adult American Bulldog at a healthy weight typically needs roughly 1,515 kcal a day with short daily walks, more if they are very active or not desexed, less if they mostly rest. Use the calculator below for a number tailored to your dog.

Similar breeds: Alaskan Malamute, Borzoi, Black and Tan Coonhound

Also see: the dog calorie calculator · is my dog overweight? · all breeds

This is an estimate, not a diagnosis. Talk to your vet before changing your dog's diet or exercise. How we work this out