Interactive Tool

Cat & Dog Ideal Weight Calculator

Body condition matters more than the number on the scale. Do three quick checks and compare your pet weight to a typical range to see if they are underweight, ideal, or overweight.

Choose your pet

Breed size

Current weight (kg)

Slide or type. Use decimals, for example 4.2 kg.

Quick body check

Feel and look at your pet, then pick what fits best for each.

Feeling the ribs

Ribs are very visible with almost no fat over them Ribs are easy to feel with a thin layer of fat Ribs are hard to feel under a layer of fat

Waist seen from above

A very sharp, sunken waist with bones showing A clear waist behind the ribs No waist, the body looks broad or oval

Belly seen from the side

Belly is very tucked up with hip bones showing Belly tucks up toward the back Belly hangs down or is flat with no tuck

References

The body condition checks follow publicly available veterinary guidance:

WSAVA Body Condition Score (9-point), dogs & cats
American Animal Hospital Association (AAHA)