Pet Care

  • Cat Benadryl Dosage Calculator
    Estimate a cat's Benadryl (diphenhydramine) dose by weight at ~1 mg/kg. Get mg, mL liquid, and tablet equivalents. Always confirm with your vet.
  • Cat BMI Calculator
    Calculate your cat's Body Mass Index (BMI) from weight and body length. A quick general indicator of feline body condition using BMI = kg / m².
  • Cat Calorie Calculator
    Estimate your cat's daily calorie needs from weight and life stage using the RER formula (70 × kg^0.75) and an activity factor.
  • 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.
  • Cephalexin For Cats Dosage Calculator
    Estimate the cephalexin dose for your cat by body weight. Calculates mg per dose and total daily mg using a typical 22 mg/kg rate. Vet guidance required.
  • 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.
  • 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.
  • 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).
  • 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.
  • 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).
  • 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.
  • 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.
  • 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.
  • Llama Gestation Calculator
    Estimate a llama's cria due date from the breeding date. Uses an average 350-day gestation with an adjustable length and a likely birth window.
  • Rabbit Gestation Calculator
    Estimate your rabbit's kindling (due) date from the breeding date. Rabbit gestation averages 31 days—get a due date and nest box reminder.
  • Sheep Gestation Calculator
    Calculate a ewe's lambing due date from the breeding date. Uses the average 147-day sheep gestation period plus an expected lambing window.
  • Swine Gestation Calculator
    Calculate a sow's farrowing due date from the breeding date using the standard 114-day swine gestation period (3 months, 3 weeks, 3 days).
  • Cephalexin For Dogs Dosage Calculator
    Estimate the cephalexin dose for your dog by body weight. Uses the typical 22 mg/kg every 12 hours rate. Educational only — confirm with your vet.
  • Dog BMI Calculator
    Calculate your dog's BMI from weight and body length. Enter kilograms and centimeters to get a body mass index proxy (kg/m²) for any breed.
  • Dog Food Calculator
    Calculate how much food your dog needs per day based on weight, activity level and food calorie density. Get daily calories and grams to feed.
  • Dog Chocolate Toxicity Calculator
    Estimate your dog's chocolate poisoning risk from theobromine. Enter weight, amount and type of chocolate to see the toxic dose and risk level.

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