Pets & Animals

Puppy adult weight calculator

Estimate a puppy’s adult weight from its weight and age.

  • Instant
  • Free
  • Private (processed locally)
  • No sign-up

ℹ️ Estimate: adult weight ≈ (current weight ÷ age in weeks) × 52. Most reliable around 14–20 weeks for medium breeds; small breeds grow faster, large breeds slower. Indicative. 100% local.

Estimate the adult weight

Enter the current weight and the age in weeks: the tool projects the adult weight.

Example

InputValue
Current weight5 kg
Age16 weeks
Adult weight≈ 16.3 kg

Indicative estimate. 100% local.

Frequently asked questions

Which formula is used?

Adult weight ≈ (current weight ÷ age in weeks) × 52.

At what age is it reliable?

Around 14–20 weeks for medium breeds. Small breeds finish earlier, large breeds later.

Is it accurate?

No: it is an estimate. Breed, sex and genetics strongly affect the final weight.