Question 1

How much should a Border Collie weigh?

Accepted Answer

The ideal weight for a Border Collie is 30.9–44.1 lbs (14–20 kg). Weight can vary based on gender, age, and individual build.

Question 2

How many calories does a Border Collie need per day?

Accepted Answer

A typical adult Border Collie weighing about 37 lbs (17 kg) needs approximately 938–1172 kcal per day, depending on activity level and neuter status.

Question 3

Is my Border Collie overweight?

Accepted Answer

59% of dogs are overweight. Check your Border 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 Border Collie get?

Accepted Answer

A full-grown Border Collie stands 46–61 cm (18.1–24.0 inches) tall and weighs 30.9–44.1 lbs (14–20 kg). Males: 30.9–44.1 lbs (14–20 kg), females: 26.5–41.9 lbs (12–19 kg).

Question 5

What is the lifespan of a Border Collie?

Accepted Answer

The average lifespan of a Border Collie is 12–15 years. Proper nutrition and exercise help extend lifespan.

Question 6

When do Border Collies stop growing?

Accepted Answer

Most Border 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 Border Collie is growing at a healthy rate.

Question 7

How can I tell if my Border Collie is overweight?

Accepted Answer

Check three signs: (1) You can't feel your Border 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 Border 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 Border Collie puppy weigh at 3 months?

Accepted Answer

A 3-month-old Border Collie typically weighs 12.3–22.0 lbs (5.6–10.0 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 Border Collie to maintain healthy weight?

Accepted Answer

Adult Border Collies typically need 938–1172 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 Border Collie need?

Accepted Answer

Border 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.

Male Weight	30.9–44.1 lbs (14–20 kg)
Female Weight	26.5–41.9 lbs (12–19 kg)
Height	46–61 cm (18.1–24.0 inches)
Full Growth	12–14 months
Daily Calories	~938–1172 kcal (adult, neutered)

Border Collie Weight & Calorie Guide

Quick Facts

Ideal Weight Range

Border Collie Calorie Calculator