What This Calculator Does
Convert your dog chronological age to equivalent human age based on breed size category.
How to Use This Calculator
- Select Dog Age in Years
- Select Breed Size Category (Small, Medium, Large, Giant)
- Click Calculate Dog Age
Formula & Calculation Methodology
Year 1 = 15 human yrs, Year 2 = 9 human yrs, Year 3+ = +4 to +7.5 human yrs depending on size
Worked Example
Medium dog aged 4 years => 15 + 9 + (2 * 4.5) = 33 Human Years.
In-Depth Guide & Practical Tips
Dog aging speeds vary significantly by breed weight class. Giant breeds age faster than small toy dogs.
Frequently Asked Questions (FAQ)
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