Calculators
Pet calculators
Free, instant tools for the everyday maths of pet parenthood — each one shows its working.
Daily Food Portion Calculator
How much dry food your pet needs each day, based on weight, species and life stage.
Use the calculator →Treat Calorie Calculator
How many treats fit into today’s calorie budget without tipping the scales.
Use the calculator →Pet Body Condition Checker
A one-minute check to see whether your pet is at a healthy weight.
Use the calculator →Dog Age Calculator
Convert dog years to human years with size-adjusted maths — it’s not times seven.
Use the calculator →First-Year Cost Calculator
Plan the true cost of a puppy or kitten’s first year, line by line.
Use the calculator →Every tool shows its working, and every result is an estimate — not veterinary advice. Read our disclaimer before making decisions based on a result.