๐พ Pets
Puppy Weight Calculator
Puppies gain weight in a fairly predictable curve, but the multiplier depends heavily on adult size: toy breeds finish growing at around 9 months while giant breeds keep filling out past 18. The estimates below are based on typical growth charts by size class.
How it works
Current weight
Current age
Expected size class
Predicted adult weight
Predicted adult weight
Weight still to gain
Percentage grown
Age when fully grown
Frequently asked questions
How do I use the Puppy Weight Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.