Pets & Animals calculators
Dog and cat age, pet food, pregnancy and pet ownership costs.
25 free tools
Most used
Cat Age CalculatorConvert your cat’s age to human years and see its life stageCat Pregnancy CalculatorFind your cat’s due date, how far along she is and what happens nextDog Age CalculatorConvert dog years to human years by size, plus the DNA-based estimateLivestock Gestation CalculatorDue dates for cows, horses, goats, sheep, pigs and rabbits from breedingPuppy Weight CalculatorPredict your puppy’s adult weight and see a projected growth chart
More pets & animals tools
Aquarium Stocking CalculatorCheck how many fish your tank can hold before you buy moreCat Food CalculatorWork out daily calories and cups of dry or cans of wet food for your catChicken Coop Size CalculatorSize your coop, run, roost bars and nest boxes for your flockDog Chocolate Toxicity CalculatorEstimate the theobromine dose and risk level after your dog eats chocolateDog Crate Size CalculatorMeasure your dog and find the right standard crate size in secondsDog Food CalculatorFind your dog’s daily calories and how many cups of food to feedDog Heat Cycle CalculatorPredict your dog’s next season and likely fertile daysDog Pregnancy CalculatorFind your dog’s whelping due date and week-by-week pregnancy timelineDog Xylitol Toxicity CalculatorEstimate the xylitol dose after your dog eats sugar-free gum or treatsEgg Incubation CalculatorFind the hatch date, lockdown day and candling days for your eggsFish Tank Volume CalculatorFind your aquarium’s gallons, liters, water weight and stocking levelKitten Age CalculatorEstimate how old a kitten is from its weight or developmentPet Cost CalculatorEstimate first-year, yearly and lifetime costs of owning a dog or catRaw Dog Food CalculatorWork out daily raw food and the meat, bone and organ splitAquarium Heater Size CalculatorFind the heater wattage your fish tank needs for its temperatureAquarium Substrate CalculatorWork out how many pounds of gravel or sand your tank needsChicken Feed CalculatorEstimate how much feed your flock eats and what each egg costsHorse Age CalculatorConvert your horse’s age to human years and see its life stageHorse Weight CalculatorEstimate your horse’s weight with a tape measure — no scale neededPet Water Intake CalculatorFind how much water your dog or cat should drink each day