Puppy Weight Calculator
Age and weight today, plus a breed or size group, give a likely adult weight range and growth curve.
Free · No sign-up · Estimates, not guarantees
How our estimates work
See how big your puppy is likely to get and what your dog’s age means in human years. Clear ranges, sourced methods, no sign-up.
Age and weight today, plus a breed or size group, give a likely adult weight range and growth curve.
Likely adult weight range from age, weight and breed or size group.
Life stage and human-year equivalent, adjusted for size.
Daily calories and cups, cans or grams of your own food.
Today’s calories and meals for a growing puppy.
Target weight from body condition, with a safe weight-loss pace.
Normal daily water and a check for drinking too much.
Compare foods by cost per day at your dog’s calories.
Minimum inside size for a home crate or airline kennel.
Predict the next heat from her own history.
Whelping window and check-up dates.
Typical weights by age for each size group.
Month-by-month weights for Labrador Retriever puppies.
Month-by-month weights for German Shepherd puppies.
Usually full size at 9–12 months
Usually full size at 9–12 months
Full size from about 11 to 24 months
No. Dogs mature fastest in their first two years, and larger dogs age faster after that. A dog’s first year is closer to 15 human years.
It is a range, not a promise. The range is widest for young puppies and narrows as they grow or when you add an earlier weigh-in.
Most small and medium dogs reach adult weight around 9–12 months. Large dogs take longer, and giant breeds can keep growing until about two.
Yes. Choose an expected size group, or “Not sure” to use growth alone. The range is a little wider without breed data.
No. The calculators run entirely in your browser and nothing you type is sent to us.