How big does a Saint Bernard get? Adult weight is 120-180 lbs, and growing usually finishes around 24 months. The curve shows the weight to expect along the way.

Age	Expected weight
2 months	18-27 lbs
3 months	33.9-50.8 lbs
4 months	49.1-73.7 lbs
5 months	60.6-90.8 lbs
6 months	72-108 lbs
8 months	86.4-129.6 lbs
10 months	97.6-146.4 lbs
12 months	105.6-158.4 lbs
15 months	111-166.5 lbs
18 months	116.4-174.6 lbs
24 months	120-180 lbs

Typical range for a healthy puppy. Individual dogs can sit above or below it.

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Saint Bernard - Frequently Asked Questions

How big is a Saint Bernard? +

The Saint Bernard is a large breed, standing 26-30 in tall and weighing 120-180 lbs.

How much does a Saint Bernard weigh at 6 months? +

A Saint Bernard usually weighs 72-108 lbs at 6 months and reaches 120-180 lbs once fully grown, at around 24 months.

How long do Saint Bernards live? +

The average lifespan of a Saint Bernard is 8-10 yrs.

How much does a Saint Bernard cost? +

Expect to pay $1,500-$3,500 for a Saint Bernard puppy, plus around $2,000-$3,500 per year for food, vet care, grooming, and supplies.

Is a Saint Bernard hypoallergenic? +

No, the Saint Bernard is not considered hypoallergenic and may trigger symptoms in people with dog allergies.

Is a Saint Bernard good with kids? +

Yes - Saint Bernards are known for being gentle and patient with children, making them a solid family choice.

Is a Saint Bernard good for apartments? +

No - the Saint Bernard needs space and exercise that apartments rarely provide. A house with a yard is strongly recommended.

Is a Saint Bernard easy to train? +

The Saint Bernard is moderately trainable. Consistent, patient training from an early age works best.

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