Interactive
Tools & calculators
Quick estimates to support a decision. They are starting points for a conversation with your veterinarian, not clinical calculations.
Pet age calculator
Translate a dog or cat's age into a rough human-equivalent life stage, adjusted for size.
CalculatorDaily calorie estimator
Estimate resting and maintenance energy requirements for a dog or cat from body weight.
CalculatorCost of ownership
Add up realistic first-year and annual costs before you commit to an animal.
CalculatorAquarium volume & stocking
Work out tank volume in litres and gallons, and a conservative stocking sense-check.
CalculatorPet readiness checklist
An honest self-assessment of time, money, housing and long-term commitment.
CalculatorFeeding amount calculator
Convert a daily calorie target and the energy density of your food into grams per meal.
CalculatorBody condition assessment
Score your animal's ribs, waist and abdominal tuck on the standard 9-point scale and see what it means.
CalculatorPrintable checklists
New pet, adoption visit and routine care checklists, formatted to print or save as a PDF.