Question 1

How much should a Collie weigh?

Accepted Answer

The ideal weight for a Collie is 59.5–75.0 lbs (27–34 kg). Weight can vary based on gender, age, and individual build.

Question 2

How many calories does a Collie need per day?

Accepted Answer

A typical adult Collie weighing about 67 lbs (31 kg) needs approximately 1454–1817 kcal per day, depending on activity level and neuter status.

Question 3

Is my Collie overweight?

Accepted Answer

59% of dogs are overweight. Check your Collie's Body Condition Score (BCS) — if you can't easily feel their ribs or they have no visible waist, they may be overweight. Take our free 2-minute BCS assessment.

Question 4

How big does a Collie get?

Accepted Answer

A full-grown Collie stands 51–61 cm (20.1–24.0 inches) tall and weighs 59.5–75.0 lbs (27–34 kg).

Question 5

What is the lifespan of a Collie?

Accepted Answer

The average lifespan of a Collie is 12–14 years. Proper nutrition and exercise help extend lifespan.

Question 6

When do Collies stop growing?

Accepted Answer

Most Collies reach their full adult weight between 12 and 14 months of age. Medium breeds usually reach full size around 12–14 months. Use the growth milestones section above to track if your Collie is growing at a healthy rate.

Question 7

How can I tell if my Collie is overweight?

Accepted Answer

Check three signs: (1) You can't feel your Collie's ribs easily under the fur. (2) From above, there's no visible waist behind the ribs. (3) From the side, the belly doesn't tuck up after the chest. If any of these apply, your Collie may be carrying extra weight. Use the Body Condition Score checker above for a quick assessment, or consult your vet.

Question 8

How much should a Collie puppy weigh at 3 months?

Accepted Answer

A 3-month-old Collie typically weighs 23.8–37.5 lbs (10.8–17.0 kg). Use our Puppy Weight Predictor to estimate your puppy's adult weight based on current age and weight.

Question 9

What is the best diet for a Collie to maintain healthy weight?

Accepted Answer

Adult Collies typically need 1454–1817 calories per day, depending on activity level. Feed a high-quality dog food appropriate for their life stage (puppy, adult, or senior) and size. Use our Calorie Calculator for a personalized daily food amount recommendation.

Question 10

How much exercise does a Collie need?

Accepted Answer

Collies are a medium-sized breed and typically need 45–60 minutes of exercise per day. This includes walks, play time, and mental stimulation. Adjust based on your dog's age and health — puppies need shorter, gentler sessions while healthy adults can handle more.

Weight Range	59.5–75.0 lbs (27–34 kg)
Height	51–61 cm (20.1–24.0 inches)
Full Growth	12–14 months
Daily Calories	~1454–1817 kcal (adult, neutered)

Collie Weight & Calorie Guide

Quick Facts

Ideal Weight Range

Collie Calorie Calculator