Pet Care

  • Pet BCS (Body Condition Score) Calculator
    Map your dog or cat's body condition to a 5-point BCS, obesity level and approximate body-fat range. Based on Japan's Ministry of the Environment pet guide.
  • Pet Daily Calorie Requirement Calculator
    Estimate how many calories a dog or cat needs per day from body weight using the veterinary RER (70*W^0.75) and maintenance energy (MER) formula.
  • Pet Daily Water Intake Calculator
    Estimate how much water (mL/day) your dog or cat needs based on species and body weight, using metabolic energy scaling. Free, instant guideline.
  • Dog & Cat to Human Age Calculator
    Convert your dog's or cat's age into equivalent human years using the standard biological aging guideline. Supports small/medium dogs, cats and large dogs.
  • Pet Sitter Rates Calculator
    Estimate pet sitting costs based on visits per day, rate per visit, number of days, and extra-pet charges. Free, instant pet sitter rate calculator.
  • Rat Cage Size Calculator
    Calculate the minimum recommended cage volume for your pet rats. Find how much space your rats need with this simple, vet-informed cage size calculator.
  • Dog Raisin Toxicity Calculator
    Estimate your dog's grape or raisin toxicity risk from amount eaten and body weight. Uses conservative toxic-dose thresholds. Not a substitute for a vet.
  • Dog Size Calculator
    Estimate your puppy's adult weight and size category (small, medium, large) from current weight and age in weeks. Free, fast puppy growth estimator.
  • Rabbit Cage Size Calculator
    Calculate the minimum cage area and recommended floor space your rabbit needs based on its stretched length, width, and the number of rabbits housed.
  • Dog Onion Toxicity Calculator
    Estimate whether the amount of onion your dog ate is potentially toxic. Uses the ~0.5% body weight threshold to gauge onion poisoning risk.
  • Dog Life Expectancy Calculator
    Estimate your dog's life expectancy from its adult weight. Smaller dogs tend to live longer than large breeds — get a quick lifespan estimate.
  • Gestation Calculator
    Estimate the due date by adding a gestation period (in days) to the conception date. Works for humans and animals with custom gestation lengths.
  • Animal Mortality Rate Calculator
    Calculate animal mortality rate as a percentage from the number of deaths and starting population. Instantly see survivors and survival rate too.
  • Guinea Pig Pregnancy Calculator
    Estimate your guinea pig's due date from the mating date. Uses the average 68-day gestation period plus a likely birth window for sows.
  • Goat Gestation Calculator
    Calculate your goat's due (kidding) date from the breeding date. Adds a 150-day average gestation and shows days pregnant and days remaining.
  • Cat Pregnancy Calculator
    Estimate your cat's kitten due date from the mating date. Feline gestation averages 65 days — get the expected delivery date and birthing window.
  • Cow Gestation Calculator
    Calculate a cow's calving due date from the breeding date. Uses the standard 283-day bovine gestation period (adjustable for breed differences).
  • Turtle Tank Size Calculator
    Find the minimum aquarium size for your turtle using the 10-gallons-per-inch rule. Enter shell length and turtle count to get gallons & liters.
  • Horse Weight Calculator
    Estimate your horse's weight from heart girth and body length measurements. Free horse weight calculator with results in pounds and kilograms.
  • Hamster Age Calculator
    Convert your hamster's age into human years. Enter years and months to estimate how old your hamster is in equivalent human years (~30:1 ratio).
  • Guinea Pig Years to Human Years Calculator
    Convert your guinea pig's age into human years instantly. Uses a lifespan-ratio of about 12.5 human years per guinea pig year.
  • Dry Matter Basis Calculator
    Convert a nutrient value from an as-fed basis to a dry matter basis. Enter the nutrient % and moisture % to get the dry matter basis percentage.
  • Cat Chocolate Toxicity Calculator
    Estimate how much theobromine your cat ate from chocolate and compare it to the toxic dose. Enter weight, grams, and chocolate type for a quick risk check.
  • Bird Age Calculator
    Convert your bird's age into human years. Enter your bird's age, its species lifespan, and human lifespan to estimate the equivalent human age instantly.

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