Animal Age Calculator is a calculator that calculates the age of animals such as dogs, cats, gorillas, and hedgehogs into human years.
Animal Age Calculation Formula
The age calculation formulas for each animal are as follows:
Dog (Small Breed): Up to 2 years: 24 human years, +4 years for each additional year
Dog (Medium Breed): Up to 2 years: 24 human years, +5 years for each additional year
Dog (Large Breed): Up to 2 years: 24 human years, +6 years for each additional year
Cat: 1 year: 20 human years, +4 years for each additional year
Gorilla: 1 year: 12 human years, 2 years: 24 human years
Hedgehog: 1 year: 18 human years, +18 years for each additional year
Bear: 1 year: 15 human years, 2 years: 25 human years, 3 years: 35 human years, 4 years: 45 human years
Turtle: 1 year: 50 human years
Giraffe: 1 year: 25 human years, +4 years for each additional year
Guinea Pig: Up to 1 year: 5 human years, +2 years for each additional year
Dohchi: 1 year: 5 human years
Red-Eared Slider Turtle: 1 year: 70 human years
Sea Turtle: Up to 1 year: 90 human years, +5 years for each additional year
Lion: Up to 1 year: 10 human years, +5 years for each additional year
Alligator: Up to 1 year: 25 human years, +10 years for each additional year
Chinchilla: Up to 1 year: 15 human years, +4 years for each additional year
Chameleon: Up to 1 year: 10 human years, +5 years for each additional year
Elephant: Up to 1 year: 40 human years, +10 years for each additional year
Rabbit: Up to 1 year: 20 human years, +7 years for each additional year
Ferret: Up to 1 year: 22 human years, +4 years for each additional year
Federer: 1 year: 20 human years, 2 years: 40 human years
Peregrine Falcon: 1 year: 35 human years, 2 years: 50 human years, 3 years: 65 human years
Panther: 1 year: 18 human years, 2 years: 28 human years
Hamster: 1 year: 32 human years, 2 years: 75 human years, 3 years: 105 human years
Dog Size Classification
| Size | Estimated Weight (KG) | Representative Breeds |
|---|---|---|
| Small Breed | Up to 7kg | Maltese, Papillon, Pomeranian, Shih Tzu, Yorkshire Terrier, Bichon Frise, Miniature Dachshund, Toy Poodle, Chihuahua, etc. |
| Medium Breed | 10–20kg | Bulldog, Beagle, English Cocker Spaniel, Welsh Corgi Pembroke, Jindo Dog, etc. |
| Large Breed | Over 30kg | Labrador Retriever, German Shepherd, Golden Retriever, Alaskan Malamute, etc. |
Average Lifespan of Animals
The average lifespan of animals is summarized below:
- Dog: Small breed: 12–16 years, Medium breed: 10–14 years, Large breed: 8–12 years
- Cat: 14–20 years
- Hedgehog: 4–7 years
- Hamster: 2–3 years
- Rabbit: 8–12 years
- Ferret: 7–10 years
- Chinchilla: 10–15 years
- Turtle: Over 50 years
- Guinea Pig: 4–8 years
- Lion: 10–14 years (wild), Over 20 years (captivity)
- Alligator: 30–50 years
- Giraffe: 20–25 years
Monthly Animal Age Calculator
A detailed monthly age calculator is available on the following pages: