Nutrition & feeding
Dog food, raw diets, cat calories, portions, protein, and food safety — the math vets use.
All nutrition calculators(13)
PopularDog Food Calculator
Daily portions in cups and grams, based on RER/DER vet formulas.
PopularCat Weight Loss Calculator
Calorie and portion targets for feline weight management.
Raw Diet Planner
BARF meal plans — muscle, organ, and bone ratios by weight.
Food Safety Checker
Check any ingredient against known pet toxicity data.
Dog Weight Calculator
Find your dog's healthy weight range and body condition score, adjusted for breed — not a single generic number. Free calculator, instant results.
Dog Calorie Calculator
Calculate your dog's daily calorie needs using the RER/DER formula vets use — adjusted for age, activity, and spay/neuter status. Free, instant results.
Cat Feeding Chart (wet/dry)
Find your cat's exact feeding amount by weight, age, and food type in seconds — wet and dry portions aren't measured the same way. Free, updated for 2026.
Cat Food Calculator (portions)
Get your cat's exact daily portion in grams or cups based on weight, life stage, and the calorie density of your specific food. Free, instant.
Dog Protein Calculator
Get your dog's daily protein target in grams, adjusted for growth, activity, and life stage. Free calculator, results in seconds.
Dog RER / Kcal Calculator (vet-advanced mode)
Calculate Resting Energy Requirement using the exact WSAVA-referenced formula: 70 × (weight in kg)^0.75. Free, instant results.
Dog Food Calculator by Weight & Age (filtered view)
Enter your dog's exact weight and age for a portion recommendation that adjusts automatically as they grow. Free calculator, instant results.
Cat Weight Loss Calculator (standalone)
Calculate a safe weight-loss calorie target for your cat — rapid weight loss carries real health risks this tool is built to avoid. Free.
Dog Feeding Calculator — Weight Loss Mode
A weight-loss-specific portion calculator using a conservative calorie deficit — because crash dieting a dog carries its own risks. Free.
