Free calculators built for the everyday questions of cat care — age, feeding, kitten growth, hydration, and more. Every tool is built from published feline veterinary guidelines and reviewed by the MyNubs editorial team.
Convert your cat's age to human years using AAFP feline life stage guidelines.
Try it freeHow many calories does your cat need per day? Personalized to weight, age, and lifestyle.
Try it freeTurn your cat's daily calories into exact cups of dry or cans of wet food per meal.
Try it freeA safe daily calorie target and gradual timeline to help an overweight cat slim down — with vital feline safety guidance.
Try it freeCheck if your kitten is growing on schedule with our age-based weight chart.
Try it freeHow much water should your cat drink daily? Critical for kidney health.
Try it freeEstimated due date and week-by-week pregnancy timeline. Cats gestate about 65 days from mating.
Try it freeHow much does a cat cost per year? Annual estimate by grooming needs, insurance, and location.
Try it freeHow much litter per month, monthly cost, and the right number of litter boxes for your household.
Try it freeSafe dosing for common cat medications and supplements.
Coming when our vet joinsPersonalized vaccine schedule for your kitten or adult cat.
Coming when our vet joinsMore calculators are in development. Join the email list to be notified when new tools launch.