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Dog Age to Human Age Converter Chart
Check our complete dog age to human age converter chart. Includes breed size, aging speed, and visual guide to help you understand your dog’s real age.
Age Calculator
The Age Calculator can determine the age or interval between two dates. The calculated age will be displayed in years, months, weeks, days, hours, minutes, and seconds.
🐾 How the Pet Age Calculator Works
The Pet Age Calculator helps you convert your dog’s or cat’s age into equivalent human years using scientifically-backed age conversion formulas.
For Dogs:
Dog aging isn’t a simple “1 dog year = 7 human years.” Instead, dogs age faster in their early years, and the rate varies based on their breed and size:
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Small breeds age more slowly.
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Large breeds age faster.
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For example:
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A 1-year-old dog ≈ 15 human years.
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A 2-year-old dog ≈ 24 human years.
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After that, each year ≈ 4-5 human years (depending on size).
🐱 For Cats:
Cats also age quickly in their early years:
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A 1-year-old cat ≈ 15 human years.
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A 2-year-old cat ≈ 24 human years.
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Each additional cat year ≈ 4 human years.
Using the Calculator
Just select your pet type (dog or cat) and enter their age in years (and months, if needed). The calculator will instantly show the estimated age in human years, helping you understand their life stage — puppy/kitten, adult, senior, etc.