Overview
A 10-year-old large dog and a 10-year-old cat are at very different life stages. Understanding your pets equivalent human age guides better healthcare decisions.
The Formula
Medium dog: Year 1=15, Year 2=+9, subsequent=+5 each | Large dog: +7 per year after year 2
Standard formula used by professionals worldwide
Worked Example
Step-by-step
10-year large dog โ roughly 94 human years | 10-year small dog โ roughly 56 human years
Key Concepts
- Accuracy: Results are as accurate as the inputs you provide
- Units: Always use consistent units throughout your calculation
- Verification: Double-check important calculations before making decisions
- Professional advice: For major financial, health, or structural decisions, consult a qualified professional
Privacy and Security
- All calculations run entirely in your browser
- No data is sent to any server
- No sign-up or personal information required
- Your data stays private โ always
Frequently Asked Questions
When is a dog senior?
Large breeds at 6-7 years. Small breeds at 9-10 years.
How often should senior pets see vet?
Every 6 months for pets over 7 years. Catches age-related conditions early.
Do cats age like dogs?
First 2 years similar. After that cats age about 4 human years per calendar year.