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Westiepoo growth chart: how big will my Westiepoo get?
A Westiepoo is a West Highland White Terrier × Poodle. Here's roughly how much a Westiepoo puppy weighs month by month, when it's full grown, and a calculator to estimate your own puppy's adult weight.
Estimate your puppy's adult weight
Enter your puppy's weight and age (8–52 weeks).
An estimate from typical growth curves — not a guarantee. Your vet's growth checks beat any calculator.
Mini Westiepoo weight by age
Shaded band: typical F1 Mini Westiepoo range (11–24 lb as an adult).
Toy Westiepoo growth chart (Toy Poodle parent)
| Age | % of adult weight | Weight (lb) | Weight (kg) |
|---|---|---|---|
| 2 months | 16% | 1–2 lb | 0.6–1.1 kg |
| 3 months | 38% | 3–6 lb | 1.5–2.7 kg |
| 4 months | 61% | 5–9 lb | 2.4–4.2 kg |
| 5 months | 77% | 7–12 lb | 3.1–5.4 kg |
| 6 months | 87% | 8–13 lb | 3.5–6.1 kg |
| 8 months | 96% | 8–15 lb | 3.9–6.7 kg |
| 10 months | 99% | 9–15 lb | 4–6.9 kg |
Full grown at about 9–11 months. Adult F1 range 9–15 lb. F1 vs F1B vs F2 sizes →
Mini Westiepoo growth chart (Miniature Poodle parent)
| Age | % of adult weight | Weight (lb) | Weight (kg) |
|---|---|---|---|
| 2 months | 16% | 2–4 lb | 0.8–1.7 kg |
| 3 months | 38% | 4–9 lb | 1.9–4.2 kg |
| 4 months | 61% | 7–15 lb | 3–6.7 kg |
| 5 months | 77% | 8–19 lb | 3.9–8.5 kg |
| 6 months | 87% | 10–21 lb | 4.4–9.6 kg |
| 8 months | 96% | 11–23 lb | 4.8–10.6 kg |
| 10 months | 99% | 11–24 lb | 5–10.9 kg |
Full grown at about 9–11 months. Adult F1 range 11–24 lb. F1 vs F1B vs F2 sizes →
Westiepoo growth FAQ
When is a Toy Westiepoo full grown?
Most Toy Westiepoos reach their adult weight at around 9–11 months, though many keep filling out a little after that. A typical F1 Toy Westiepoo ends up about 9–15 lb (4–7 kg).
When is a Mini Westiepoo full grown?
Most Mini Westiepoos reach their adult weight at around 9–11 months, though many keep filling out a little after that. A typical F1 Mini Westiepoo ends up about 11–24 lb (5–11 kg).
How big is a Toy Westiepoo at 6 months?
At 6 months a Toy Westiepoo is usually around 87% of its adult weight, which works out to roughly 8–13 lb. Every puppy is different, so treat this as a guide, not a target.
How big is a Mini Westiepoo at 6 months?
At 6 months a Mini Westiepoo is usually around 87% of its adult weight, which works out to roughly 10–21 lb. Every puppy is different, so treat this as a guide, not a target.
How can I tell how big my Westiepoo puppy will get?
Start with both parents' adult weights, which matter more than the "mini" or "standard" label. Then track your puppy's weight against the chart above, or use the calculator on this page with its current weight and age.
How this is estimated
Adult ranges come from our parent-breed size model (F1 generation). The month-by-month curve uses typical puppy growth timings: smaller dogs finish growing sooner, larger dogs later (Hawthorne et al., 2004, Journal of Nutrition; Salt et al., 2017, PLOS ONE). It's an estimate. Individual puppies vary, so ask your vet if growth seems off.