Pet Care

  • Dog Years to Human Years Calculator
    Convert your dog's age into human years with the science-based logarithmic formula. Enter your dog's age to instantly see its equivalent human age.
  • 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.
  • 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.
  • Dog Pregnancy Calculator
    Estimate your dog's expected whelping date. Enter the mating date and select small, medium, or large breed to get a likely due date.
  • Dog Age Calculator
    Enter your dog's age and size to convert canine years to a human-age equivalent. Suitable for small, medium, and large breeds.
  • 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.
  • Animal Gestation Due Date Calculator
    Estimate the due, birth or hatch date of cows, pigs, sheep, goats, horses, dogs, cats and more from a breeding date, or work backward to find a breeding date.
  • Aquarium Volume Calculator
    Calculate aquarium volume in US gallons and liters from length, width, and height in inches. Fast, accurate fish tank capacity estimates.
  • 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.
  • 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 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.
  • 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.
  • Dog Walking Calorie Calculator
    Estimate calories burned walking your dog. Calculates your calories and your dog's calories from weight, duration and distance.
  • Dog Water Intake Calculator
    Estimate how much water your dog should drink daily based on body weight (about 50-60 ml per kg). Get results in ml, cups, and ounces instantly.
  • Omega-3 For Dogs Calculator
    Calculate the recommended daily omega-3 (EPA + DHA) dose for your dog based on metabolic body weight. Enter weight in kg or lb for an instant estimate.
  • Raw Dog Food Calculator
    Calculate how much raw food to feed your dog per day. Enter weight and feeding rate (2-3%) to get daily, per-meal and weekly grams.
  • Cat Age Calculator
    Convert your cat's age into human years with this free Cat Age Calculator. Uses the standard veterinary scale: 15 years for year one, +9 for year two, +4 after.
  • Tramadol For Dogs Dosage Calculator
    Estimate a tramadol dose for your dog from body weight and mg/kg rate. Calculates low, high and midpoint mg per dose. Educational tool — confirm with your vet.

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