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Saint Berdoodle growth chart: how big will my Saint Berdoodle get?
A Saint Berdoodle is a Saint Bernard × Poodle. Here's roughly how much a Saint Berdoodle 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.
Standard Saint Berdoodle weight by age
Shaded band: typical F1 Standard Saint Berdoodle range (64–143 lb as an adult).
Standard Saint Berdoodle growth chart (Standard Poodle parent)
| Age | % of adult weight | Weight (lb) | Weight (kg) |
|---|---|---|---|
| 2 months | 10% | 7–15 lb | 3–6.7 kg |
| 3 months | 20% | 13–28 lb | 5.8–12.9 kg |
| 4 months | 32% | 20–45 lb | 9.2–20.5 kg |
| 5 months | 44% | 28–63 lb | 12.8–28.6 kg |
| 6 months | 56% | 36–80 lb | 16.2–36.2 kg |
| 8 months | 74% | 47–106 lb | 21.5–48.3 kg |
| 10 months | 86% | 55–123 lb | 24.9–55.9 kg |
| 12 months | 93% | 59–133 lb | 26.9–60.2 kg |
| 14 months | 96% | 61–138 lb | 27.9–62.5 kg |
| 16 months | 98% | 63–140 lb | 28.4–63.7 kg |
| 18 months | 99% | 63–142 lb | 28.7–64.4 kg |
Full grown at about 16–20 months. Adult F1 range 64–143 lb. F1 vs F1B vs F2 sizes →
Saint Berdoodle growth FAQ
When is a Standard Saint Berdoodle full grown?
Most Standard Saint Berdoodles reach their adult weight at around 16–20 months, though many keep filling out a little after that. A typical F1 Standard Saint Berdoodle ends up about 64–143 lb (29–65 kg).
How big is a Standard Saint Berdoodle at 6 months?
At 6 months a Standard Saint Berdoodle is usually around 56% of its adult weight, which works out to roughly 36–80 lb. Every puppy is different, so treat this as a guide, not a target.
How can I tell how big my Saint Berdoodle 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.