Interactive Tool
Cat & Dog Age Calculator
Convert your pet age into human years and see which life stage they are in. Based on the common AAHA and AVMA age curve.
Choose your pet
Dog size (adult weight)
Pet age (years)
Slide or type. For pets under 1 year, use decimals, for example 0.5 for six months.
Estimated human age
28 years
This calculator is an aid, not a medical diagnosis. Every pet ages differently depending on breed, weight, and health. For an accurate assessment, please have a vet examine your pet.
References
This tool is informational and follows publicly available veterinary guidance: