Pets

Dog Walk Calorie Burn Calculator

Estimate calories burned by both dog and owner during a walk from body weight, pace, and distance. Includes MET values for different walk speeds.

Koi Pond Stocking Calculator

Calculate how many koi can live in your pond from water volume. Applies the inch-per-gallon stocking guideline with filtration quality adjustment.

Pet Boarding Cost Calculator

Total pet boarding cost from nightly rate, days away, and add-ons like daycare, grooming, medication, and special diet handling.

Animal Gestation Calculator

Calculate the estimated due date for any livestock or pet. Enter the conception date and select from cow, horse, sheep, pig, goat, dog, cat, and more.

Pet Insurance Value Calculator

Calculate whether pet insurance is financially worthwhile based on your premiums, deductible, expected vet costs, and reimbursement rate.

Dog Heat Cycle Calculator

Calculate your dog's next heat cycle date, best breeding window, and current heat phase. Based on breed size and last heat start date.

Cat Chocolate Toxicity Calculator

Calculate the toxicity risk if your cat ate chocolate. Estimates theobromine exposure based on chocolate type, amount, and your cat's weight.

Dog Chocolate Toxicity Calculator

Is chocolate dangerous for your dog? Enter your dog's weight and the amount and type of chocolate eaten to get an instant toxicity risk level.

Dog Onion and Garlic Toxicity Calculator

Calculate the toxicity risk if your dog ate onions, garlic, leeks, or chives. Estimates danger level based on your dog's weight and amount ingested.

Dog Raisin & Grape Toxicity Calculator

Are raisins or grapes dangerous for your dog? Calculate the toxic dose based on your dog's weight. Raisins are far more toxic than most owners realize.

Snake Enclosure Calculator

Calculate minimum enclosure size for your snake to fully stretch out. Species-based sizing with length, width, and height guidelines.

Fish Tank Nitrogen Cycle Calculator

Estimate how long your fish tank nitrogen cycle will take based on tank size, cycling method, water temperature, and whether the tank is seeded.

Pet Bird Lifespan Calculator

Find out the typical lifespan of popular pet bird species and estimate how many years your bird has left based on its current age.

Cat Daily Water Intake Calculator

Calculate daily water intake for cats from body weight and diet type. Returns total fluid target and how much fresh water to provide for dry and wet food diets.

Pet Travel Crate Size Calculator

Find the correct crate size for your dog or cat for travel or home use. Based on IATA airline regulations and standard sizing guides.

Puppy Growth & Adult Weight Calculator

Estimate your puppy's adult weight based on their current age and weight. Calculate how big your puppy will get using breed size formulas.

Reptile UVB Bulb Replacement Calculator

Calculate when to replace your reptile UVB bulb. UVB output declines long before the bulb burns out — find your next replacement date.

Rabbit Daily Diet Calculator

Calculate the ideal daily diet for your pet rabbit. Get recommended portions of hay, pellets, fresh vegetables, and water based on weight and age.

Chinchilla Cage Size Calculator

Calculate the minimum and recommended cage size for pet chinchillas — floor area, height, and ledge space by number of animals.

Hedgehog Cage Size Calculator

Calculate the minimum and recommended cage size for one or more pet hedgehogs based on number of animals and activity needs.

Snake Enclosure Size Calculator

Calculate minimum enclosure dimensions for pet snakes based on species and snake length — floor area, width, and height guidelines.

Aquarium Lighting Calculator

Calculate the recommended lighting intensity and photoperiod for your aquarium based on tank size and plant or coral requirements.

Aquarium pH Buffer Calculator

Calculate how much baking soda or pH buffer to add to raise your aquarium pH to the target level safely without shocking your fish.

Aquarium Water Hardness Calculator

Calculate how much mineral supplement to add to raise your aquarium GH (general hardness) to the target level for fish and plants.

Bird Cage Placement Guide

Find the best location for your bird's cage. Check temperature, light, noise, drafts, and kitchen fume exposure to keep your bird safe and stress-free.

Cat Calorie Needs Calculator

Calculate your cat's daily calorie needs based on weight, age, activity level, and reproductive status for optimal feline nutrition.

Dog Exercise Needs Calculator

Calculate daily exercise needs for your dog from breed group, age, and health status. Get recommended walk duration, intensity, and activity types.

Fish Tank Cycling Time Calculator

Estimate how long it takes to cycle a new aquarium and establish a healthy nitrogen cycle. Covers fishless, fish-in, and bacteria-seeded cycling timelines.

Hamster Wheel Size Calculator

Find the correct hamster wheel size for your hamster breed. Learn the minimum wheel diameter to keep your hamster healthy and comfortable.

Pet Insurance Break-Even Calculator

Calculate whether pet insurance is worth it for your pet. Find the break-even point between annual premiums and out-of-pocket vet costs.

Reptile Heating Calculator

Calculate the right heating wattage, basking temperature, and gradient for your reptile enclosure based on species and tank size.

Saltwater Reef Tank Salt Mix Calculator

Calculate exactly how much salt mix to add to your aquarium for a target salinity or specific gravity. For marine, reef, and FOWLR tanks.

Terrarium Misting Schedule Calculator

Find out how often to mist your reptile or amphibian terrarium based on species, enclosure type, and climate. Keep humidity in the ideal range.

Aquarium CO2 Calculator

Calculate CO2 concentration in your aquarium from pH and KH values. Shows if levels are safe for fish and optimal for plants.

Rabbit Hutch Size Calculator

Calculate minimum rabbit hutch floor area from breed size and rabbit count. Returns recommended dimensions, run size, and RWAF standards for all breed sizes.

Aquarium Fish Stocking Calculator

Calculate the maximum fish your aquarium can hold from tank volume, fish size, and filtration. Covers community tanks, cichlids, goldfish, and planted setups.

Aquarium Volume Calculator

Calculate aquarium water volume in gallons or liters from tank dimensions. Supports rectangular, cylindrical, and bow-front shapes.

Aquarium Water Change Calculator

Calculate water change volume and frequency for any aquarium from tank size, fish load, and nitrate level. Returns gallons and recommended weekly schedule.

Bird Food Portions Calculator

Calculate daily food portions for pet birds by species and weight. Returns seed, pellet, fresh fruit, and vegetable amounts for parrots and cockatiels.

Cat Food Calculator

Calculate how much food to feed your cat daily based on weight, age, and activity level. Get recommendations in cups, grams, and cans.

Cat Litter Usage Calculator

Calculate monthly cat litter usage by cat count and litter type. Compare clumping, crystal, and clay costs to find the most economical choice.

Cat Pregnancy Calculator

Track cat pregnancy from mating date with estimated due date, week-by-week milestones, and signs of labor. Covers the 63-65 day gestation period.

Dog Calorie Needs Calculator

Calculate your dog daily calorie requirements based on weight, age, activity level, and body condition. Plan proper feeding amounts.

Dog Food Calculator

Calculate how much food to feed your dog daily based on weight, age, and activity level. Get recommendations in cups and grams.

Dog Pregnancy Due Date Calculator

Calculate your dog pregnancy due date and key milestones. Enter the first mating date to see the expected whelping timeline.

Ferret Diet Calculator

Calculate daily food portions for your ferret by weight, age, and food type. Includes monthly supply estimate and feeding guidelines for kits and seniors.

Fish Tank Heater Calculator

Calculate aquarium heater wattage from tank volume and the difference between room and target water temperature. Covers freshwater and marine tropical tanks.

Goldfish Tank Size Calculator

Calculate minimum aquarium size for your goldfish by species and count. Fancy and common goldfish have different space needs. Get the right tank size.

Guinea Pig Cage Size Calculator

Calculate minimum cage size for guinea pigs based on how many you have. Compares C&C and store-bought options with square footage guidelines per pig.

Hamster Cage Size Calculator

Find minimum cage floor area in sq in for Syrian, dwarf, and Roborovski hamsters. Returns recommended dimensions and the 450 sq in minimum floor space rule.

Horse Feed Calculator

Calculate daily hay, grain, and water for a horse from body weight and activity level. Uses the 2% forage rule and NRC guidelines per life stage.

Horse Weight Calculator

Estimate your horse's weight from heart girth and body length in inches or cm using the weight tape formula. Accurate to within 5% of scale weight.

Parrot Cage Size Calculator

Find minimum cage dimensions for parrots from budgies to macaws. Returns width, depth, height, bar spacing, and minimum flying space for each species.

Rabbit Age Calculator

Convert rabbit age to human years. Find your rabbit stage from kit to senior and learn what age-related health care to expect at each life stage.

Reptile Terrarium Size Calculator

Calculate the minimum terrarium size for your reptile based on species. Includes heating, lighting, and humidity recommendations.

Turtle Tank Size Calculator

Calculate minimum tank size for your turtle by species, shell length, and count. Covers red-eared sliders, painted turtles, and box turtles.

Bird Cage Size Calculator

Calculate minimum cage dimensions for your bird species from parakeet to macaw. Returns bar spacing, width, depth, and height in inches and cm.

Dog Walking Distance Calculator

Calculate the ideal daily walking distance for your dog based on breed size, age, and fitness level. Get time and calorie estimates.

Fish Feeding Calculator

Calculate the correct fish food amount by fish type and tank size. Returns daily portion in grams to avoid overfeeding goldfish, tropical, and marine species.

Hamster Wheel Size Calculator

Find the minimum exercise wheel diameter for your hamster or small pet by species to prevent spinal arching — Syrian, dwarf, and gerbil sizes.

Pet Grooming Cost Calculator

Estimate professional grooming costs for your dog or cat. Factors in pet size, coat type, and services like bathing and nail trim.

Reptile Terrarium Size Calculator

Calculate minimum terrarium size in gallons for leopard geckos, bearded dragons, ball pythons, and corn snakes. Returns dimensions and substrate depth guidance.

Cat Food Monthly Cost Calculator

Calculate the monthly and annual cost of feeding your cat. Enter weight, food type, and brand tier for an accurate budget estimate.

Annual Vet Cost Estimator

Estimate annual veterinary costs by pet type, age, and care level. Budget for routine visits, vaccinations, dental cleanings, and emergency fund reserves.

Aquarium Volume Calculator

Calculate the water volume of your aquarium from its dimensions. Supports gallons and liters, imperial and metric measurements.

Cat Age Calculator

Convert your cat's age to human years using the modern veterinary formula — far more accurate than the outdated 7:1 rule for all feline life stages.

Dog Age Calculator

Convert your dog's age to human years using the modern veterinary formula by breed size — small, medium, or large. More accurate than the old 7:1 rule.

Dog Food Monthly Cost Calculator

Calculate monthly and annual dog food costs from your dog's weight, food price per bag, and bag size. Compare dry, wet, and raw food spending over time.

Fish Tank Stocking Calculator

Calculate how many fish your aquarium can safely hold based on tank size and fish sizes. Uses the inch-per-gallon rule with adjustments.

Litter Box Calculator

Calculate recommended litter boxes using the n+1 rule and monthly litter usage. Returns box count, cleaning schedule, and annual litter cost for multiple cats.

Pet Food Calculator

Calculate daily pet food portions from weight, activity level, and calorie density per cup. Covers dogs, cats, and small animals with age adjustment factors.

Pet Insurance Estimator

Estimate monthly pet insurance premiums for dogs and cats by breed size, age, and coverage level. Compare accident-only vs comprehensive plans and annual costs.

Pet Life Stage Calculator

Determine your pet life stage (puppy/kitten, adult, senior) based on type, size, and age. Get tailored care tips for each stage.

Pet Medication Dosage Calculator

Calculate pet medication dose in mg and ml from pet weight and dosage rate per kg. Covers antibiotics, anti-inflammatories, and dewormers for dogs and cats.