31 free tools for dog, cat, fish, and small pet owners. Feeding, age, health, vaccinations, aquariums and more.
Convert your dog's age to human years using breed-size adjusted formulas.
Calculate daily food portions by your dog's weight, age, and activity level.
Find your dog's daily caloric needs based on weight, life stage, and activity.
Check if your dog is at a healthy weight for their breed and size.
Calculate your dog's whelping due date from mating date. 63-day gestation.
Get a complete vaccine schedule based on your puppy's date of birth.
How much water should your dog drink per day? Calculate by weight.
Calculate safe Benadryl dose for your dog by weight. Vet-formula based.
Predict your puppy's adult weight based on current weight and breed size.
Estimate your dog's life expectancy based on breed size and health factors.
Track your female dog's heat cycle and estimate next cycle dates.
Calculate monthly and annual dog food costs based on bag size and feeding amount.
Convert your cat's age to human years with the accurate non-linear formula.
Calculate daily food portions for your cat by weight, age, and indoor/outdoor status.
Find your cat's daily caloric needs. Accounts for neuter status and lifestyle.
Calculate your cat's due date. Feline gestation is 63–67 days.
How much water should your cat drink? Adjusts for wet vs. dry food diet.
How many litter boxes do you need? Apply the n+1 rule with our calculator.
Estimate your cat's life expectancy based on lifestyle and health factors.
Calculate monthly and annual cat food costs for wet, dry, or mixed diets.
Convert tank dimensions to gallons or liters. Find the right size for your fish.
Calculate how many fish your tank can safely hold using the inch-per-gallon rule.
Calculate exactly how many gallons to change and how often for a healthy tank.
Find the right wattage heater for your tank size and target temperature.
Convert your rabbit's age to human years and check their life stage.
Convert your hamster's age to human years. Average lifespan 2–3 years.
Calculate daily pellets, hay, and vegetable amounts for your guinea pig.
Estimate monthly pet insurance premiums based on pet type, age, and breed.
Estimate annual vet costs including checkups, vaccines, dental, and emergencies.
Assess your dog or cat's body condition score (BCS) on the 1–9 scale.
Calculate the true annual cost of owning a dog or cat including all expenses.