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Pets

Pet Age Calculator

Pet Age Calculator

Convert dog or cat age to an approximate human-equivalent age.

Results update as you type.

How to use

Choose dog or cat, then enter age in years and months. The result uses a common veterinary chart, not the old times-seven rule.

Formula

Human-equivalent age from species chart (dog and cat curves differ; early years count more).

Worked example

  1. A 3-year-old dog → about 29 human-equivalent years on the chart used here.

Assumptions

  • Charts are planning aids, not a medical diagnosis.
  • Breed and size change real aging; large dogs often age faster in later years.

FAQs

Is pet age just times seven?
No. Early years map to more human years. This tool uses a stepped chart instead of ×7.
Do cats and dogs use the same chart?
No. Pick the correct species. The curves differ.
Is this veterinary advice?
No. Ask a vet about health stages and screening schedules for your animal.
What about months?
Months refine the age within a year. A 3-year, 0-month dog uses the 3-year chart point.

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