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Enter age and weight to see your dog's unique trajectory.
How big will my Boston Terrier get? Predict adult weight and track your puppy's development.
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Non-Sporting
Small
11-13 years
12 months
12-25 lbs
15-17" tall
12-25 lbs
15-17" tall
We use a proprietary High-Sensitivity Dynamic Model calibrated specifically for Boston Terrier development. This accounts for the biological reality that growth velocity decelerates sharply as a puppy matures, ensuring pinpoint accuracy for both 8-week-old puppies and older teenagers.
A Boston Terrier typically reaches its full skeletal structure around 12 months. Our algorithm applies a specific maturity multiplier that adjusts the projection as your puppy approaches this target window.
Every projection is cross-referenced against the Boston Terrier breed standard (12–25 lbs). While estimates can begin at 6 weeks, data collected after the 12-week mark provides the highest statistical confidence.
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Predicting the growth of your Boston Terrier