All calculators

Pet Calculators

20 free calculators.

Aquarium Water VolumeCalculate aquarium volume in litres and gallons from length, width and height.Bird Cage Size (Rough)Estimate minimum cage dimensions from a bird's wingspan, as a rough welfare guide.Cat Age in Human YearsConvert a cat's age to a rough human-equivalent age with the common two-year plus four-per-year guide.Cat Food Cups Per DayEstimate daily dry-food cups for a cat from weight and activity level.Cat Litter UsageEstimate monthly litter use and litter boxes from the number of cats.Cat Water IntakeEstimate a cat's daily water range from body weight.Crate SizeWork out a minimum crate size from a dog's length and height, with room to stand and turn.Dog Age in Human YearsConvert a dog's age to a rough human-equivalent age using the logarithmic ageing curve.Dog Food Cups Per DayEstimate daily dry-food cups for a dog from weight, activity and food energy density.Dog Ideal Weight Range (Rough)Show a rough maintenance weight band around a dog's current weight as a starting point for discussion.Dog Treat CaloriesWork out a daily treat calorie budget as a share of a dog's daily calories, and how many treats that allows.Dog Walking Distance and TimeWork out walking time for a dog walk from distance and walking speed.Dog Water IntakeEstimate a dog's daily water range from body weight.Fish Tank Stocking (Rough)Roughly estimate total fish length a tank can support using the inch-per-gallon guide.Hamster Cage SizeShow minimum floor area for a hamster cage by species type.Pet Age in MonthsConvert a pet's age in years and months into total months.Pet Calorie NeedsEstimate daily calories for a dog or cat from weight and lifestyle factor.Pet Travel Carrier SizeWork out a minimum travel carrier size from a pet's length and height.Puppy Weight EstimateRoughly project an adult weight from a puppy's current weight and age.Rabbit Food AmountEstimate daily pellets and vegetables for a rabbit from body weight, with unlimited hay.