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Pet Calculators

86 calculators.

1 Pet Age in MonthsConvert a pet's age in years and months into total months.2 Pet Age in Weeks CalculatorConvert pet age in years to weeks.3 Pet Age in Days CalculatorConvert pet age in years to days.4 Pet Age Years CalculatorFind pet age years from months.5 Pet Age CalculatorFind pet age from current year and birth year.6 Dog Age in Human YearsConvert a dog's age to a rough human-equivalent age using the logarithmic ageing curve.7 Dog Age in Human Years Calculator 2Estimate dog age in human years with a simple rule.8 Pet Dog Age CalculatorFind pet dog human years from dog years.9 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.10 Cat Age in Human Years Calculator 2Estimate cat age in human years with a simple rule.11 Pet Cat Age CalculatorFind pet cat human years from cat years.12 Aquarium Water VolumeCalculate aquarium volume in litres and gallons from length, width and height.13 Bird Cage Size (Rough)Estimate minimum cage dimensions from a bird's wingspan, as a rough welfare guide.14 Cat Food Cups Per DayEstimate daily dry-food cups for a cat from weight and activity level.15 Cat Litter UsageEstimate monthly litter use and litter boxes from the number of cats.16 Cat Water IntakeEstimate a cat's daily water range from body weight.17 Crate SizeWork out a minimum crate size from a dog's length and height, with room to stand and turn.18 Dog Food Cups Per DayEstimate daily dry-food cups for a dog from weight, activity and food energy density.19 Dog Ideal Weight Range (Rough)Show a rough maintenance weight band around a dog's current weight as a starting point for discussion.20 Dog Treat CaloriesWork out a daily treat calorie budget as a share of a dog's daily calories, and how many treats that allows.

Frequently asked questions

What are Pet calculators?

Pet calculators on BuildCalc are free tools that give instant results from the numbers you enter.

Are Pet calculators free?

Yes, all Pet calculators are free, with no sign-up and no download.

How do I use a Pet calculator?

Open a calculator from the list, enter your numbers, and read the instant result.

21 Dog Walking Distance and TimeWork out walking time for a dog walk from distance and walking speed.22 Dog Water IntakeEstimate a dog's daily water range from body weight.23 Fish Tank Stocking (Rough)Roughly estimate total fish length a tank can support using the inch-per-gallon guide.24 Hamster Cage SizeShow minimum floor area for a hamster cage by species type.25 Pet Calorie NeedsEstimate daily calories for a dog or cat from weight and lifestyle factor.26 Pet Travel Carrier SizeWork out a minimum travel carrier size from a pet's length and height.27 Puppy Weight EstimateRoughly project an adult weight from a puppy's current weight and age.28 Rabbit Food AmountEstimate daily pellets and vegetables for a rabbit from body weight, with unlimited hay.29 Bird Cage Size Calculator 2Find cage area from length and width.30 Dog Walk Time CalculatorFind walk time from distance and speed.31 Fish Tank Volume Calculator 2Find tank volume from length, width and height.32 Kitten Age in Months CalculatorConvert kitten age in years to months.33 Pet Food CalculatorFind daily pet food from weight.34 Pet Treat Calories CalculatorFind treat calories from treats and calories each.35 Pet Water CalculatorFind daily pet water from weight.36 Puppy Age in Months CalculatorConvert puppy age in years to months.37 Pet Walk Distance CalculatorFind walk distance from speed and time.38 Pet Weight Gain CalculatorFind pet weight gain from start and current.39 Pet Weight Loss CalculatorFind pet weight loss from start and current.40 Aquarium Fish CalculatorFind fish count from tank litres.41 Bird Food CalculatorFind bird food from birds and grams each.42 Rabbit Food Calculator 2Find rabbit food from rabbits and grams each.43 Pet Dog CalculatorFind pet dog food from dogs and kg each.44 Pet Cat CalculatorFind pet cat food from cats and kg each.45 Pet Bird CalculatorFind pet bird food from birds and grams each.46 Pet Fish CalculatorFind pet fish food from fish and grams each.47 Pet Rabbit CalculatorFind pet rabbit food from rabbits and grams each.48 Pet Hamster CalculatorFind pet hamster food from hamsters and grams each.49 Pet Vaccination CalculatorFind pet vaccination cost from pets and price each.50 Pet Grooming CalculatorFind pet grooming cost from sessions and price each.51 Pet Training CalculatorFind pet training cost from sessions and price each.52 Pet Adoption CalculatorFind pet adoption cost from pets and fee each.53 Pet Dog Food CalculatorFind pet dog food cost from months and monthly cost.54 Pet Cat Food CalculatorFind pet cat food cost from months and monthly cost.55 Pet Bird Food CalculatorFind pet bird food cost from months and monthly cost.56 Pet Fish Food CalculatorFind pet fish food cost from months and monthly cost.57 Pet Vet Visit CalculatorFind pet vet visit cost from visits and cost each.58 Pet Grooming Visit CalculatorFind pet grooming visit cost from visits and cost each.59 Pet Sleep Hours CalculatorFind pet sleep hours from days and hours per day.60 Pet Play Hours CalculatorFind pet play hours from days and hours per day.61 Final Pet CalculatorFind final pet care cost from months and monthly cost.62 Extra Pet CalculatorFind extra pet treats from weeks and treats per week.63 Pet Dog Walk CalculatorFind pet dog walk km from weeks and km per week.64 Pet Cat Play CalculatorFind pet cat play minutes from days and minutes per day.65 Pet Bird Cage CalculatorFind pet bird cage cost from cages and cost each.66 Pet Fish Tank CalculatorFind pet fish tank litres from tanks and litres each.67 Pet Dog Treat CalculatorFind pet dog treats from weeks and treats per week.68 Pet Cat Litter CalculatorFind pet cat litter kg from months and kg per month.69 Pet Bird Seed CalculatorFind pet bird seed grams from days and grams per day.70 Pet Fish Water CalculatorFind pet fish water litres from changes and litres each.71 Pet Rabbit CalculatorFind pet rabbit food grams from days and grams per day.72 Pet Hamster CalculatorFind pet hamster wheel minutes from days and minutes per day.73 Pet Dog Bath CalculatorFind pet dog bath minutes from baths and minutes each.74 Pet Cat Nap CalculatorFind pet cat nap hours from days and hours per day.75 Pet Bird Song CalculatorFind pet bird song minutes from days and minutes per day.76 Pet Fish Feed CalculatorFind pet fish feed grams from days and grams per day.77 Pet Dog Food Bowl CalculatorFind pet dog food bowls from days and bowls per day.78 Pet Cat Food Bowl CalculatorFind pet cat food bowls from days and bowls per day.79 Pet Bird Water CalculatorFind pet bird water ml from days and ml per day.

Other tools

80 Pet Fish Light CalculatorFind pet fish light hours from days and hours per day.
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81 Pet Food Cost CalculatorFind pet food cost from bags and price each.82 Pet Weight CalculatorFind pet weight change from start and current.83 Pet Walk CalculatorFind pet walk distance from walks and km each.84 Pet Vet CalculatorFind pet vet cost from visits and price each.85 Pet Sleep CalculatorFind pet sleep hours from naps and hours each.86 Pet Play CalculatorFind pet play time from days and minutes per day.