Free pet health calculators
Science-backed tools for cat and dog weight management — no sign-up, no data collection, no paywall. Every formula is reviewed against WSAVA and AAHA clinical guidelines.
Available now
Cat Calorie Calculator
Daily kcal target and portion in grams, using the WSAVA/AAHA RER formula.
Open the toolDog Calorie Calculator
Daily kcal target and feeding plan for dogs by weight, neuter status, and activity.
Open the toolCat Body Condition Score
Visual 9-point BCS assessment — see if your cat is underweight, ideal, or obese.
Open the toolDog Body Condition Score
Visual 9-point BCS assessment tuned for dog anatomy and coat types.
Open the toolCat Ideal Weight Lookup
Healthy weight ranges for 28 cat breeds by sex, with obesity-prone callouts.
Open the toolDog Ideal Weight Lookup
Healthy weight ranges for 48 dog breeds by sex, with brachycephalic and obesity-prone callouts.
Open the toolLearn the signals
Signs of Overfeeding in Cats and Dogs
Catch weight creep early: ribs harder to feel, waist fading, uncounted treats, and double-feeding.
Read the guideFamily Feeding Coordination
Assign meal ownership, build a shared treat budget, and stop accidental second dinners.
Read the guideBreaking Weight-Loss Plateaus
Audit calories, portions, treats, and weekly trends before making another food cut.
Read the guideMy Cat Won't Lose Weight
Use a feline-specific checklist for hidden calories, multi-cat food theft, and when to ask your vet for a workup.
Read the guideMy Dog Is Gaining Weight on a Diet
Troubleshoot canine weight gain with calorie-density math, treat audits, neutering changes, and medical red flags.
Read the guideTreats and Weight Loss Math
Use the 10% rule, low-calorie swaps, and training-treat math without blowing the daily calorie budget.
Read the guideSenior Cat Losing Weight
Know the common disease patterns, basic tests, and emergency red flags when an older cat is dropping weight.
Read the guideCalculators are just the first step
The Paws & Pounds mobile app stores every weigh-in, auto-adjusts the calorie target as your pet approaches the goal, lets your household log meals together, and charts the trend so you can show your vet.