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Puppy Predictor
Old English Bulldog Size Calculator
How big will my Old English Bulldog get? Predict adult weight and track your puppy's development.
Breed Overview
About the Old English Bulldog
Friendly, alert, and confident
Group
Working
Size Category
Large
Lifespan
10-14 years
Full Maturity
17 months
Temperament Traits
FriendlyAlertConfidentLovingStrong
Growth & Height Benchmarks
Expected Adult Weight
50-80lbs
Typical Male
50-80 lbs
17-20" tall
Typical Female
50-80 lbs
16-19" tall
How the Old English Bulldog Calculator Works
1
High-Sensitivity Dynamic Modeling
We use a proprietary High-Sensitivity Dynamic Model calibrated specifically for Old English Bulldog 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.
2
Maturity Window Calibration
A Old English Bulldog typically reaches its full skeletal structure around 17 months. Our algorithm applies a specific maturity multiplier that adjusts the projection as your puppy approaches this target window.
3
Standard Deviation Check
Every projection is cross-referenced against the Old English Bulldog breed standard (50–80 lbs). While estimates can begin at 6 weeks, data collected after the 12-week mark provides the highest statistical confidence.
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