How big do Yorkshire Terriers get? The tool below projects your own puppy’s adult weight from its current age and weight, plotted against the typical Yorkshire Terrier growth curve.
Estimates combine your puppy’s current trajectory with typical growth curves for this breed and size class. Individual dogs vary — nutrition, genetics and neuter timing all matter. For health concerns, ask your vet.
The Yorkshire Terrier is a toy-sized breed. Adult males typically weigh 4–7 lb (1.8–3.2 kg) and females 4–7 lb (1.8–3.2 kg). Most Yorkshire Terriers reach about half their adult weight around 3.2 months, hit 90% by roughly 6.7 months, and are fully grown near 9 months. Toy breeds finish growing fastest of all dogs — most of their gain happens before six months.
When do Yorkshire Terriers stop growing?
Most Yorkshire Terriers reach their full adult height and weight by about 9 months. Growth is fastest before 3.2 months, then slows steadily — by 6.7 months your puppy will be about 90% of its final size.
How much should a Yorkshire Terrier puppy weigh at 4 months?
A typical 4-month-old Yorkshire Terrier weighs roughly 3–4 lb, about 64% of its adult weight. Use the calculator above with your puppy’s exact weight for a personalized estimate — individual dogs vary.