Example
A 1-year-old cat maps to 15 comparison years on the FelineVMA 2025 chart. A 10-year-old dog with an entered 12-year expected lifespan is shown as senior; no human-years multiplier is applied.
How the comparison works
Age is entered in whole years and months. Cat comparison years are linearly interpolated between FelineVMA chart anchors. Dog stages use broad life-stage ranges, including 75% of the expected lifespan for the senior threshold. These are educational comparisons, not diagnoses or lifespan predictions.
Frequently asked questions
Does this multiply a pet’s age by seven?
No. Cats use chart-based comparison points. Dogs use broad life stages and the expected lifespan you enter; the tool does not convert dog years into human years.
Why does the dog result ask for expected lifespan?
Dog life stages vary by breed, size and individual health. The entered estimate sets the broad senior threshold and is not a lifespan prediction.
What does the cat comparison mean?
It places an age between FelineVMA 2025 chart anchors. It is a comparison scale, not a biological age conversion.
Limits and guidance
Life stages vary by animal, breed, size and health. The dog estimate uses only the expected lifespan you enter. The cat chart is a comparison scale, not a biological conversion. Ask a veterinarian about an individual animal.