How to Calculate an Ape's Age
Welcome to the Ape Age Calculator! Apes—including chimpanzees, gorillas, orangutans, and bonobos—are incredibly intelligent primates. Because they share so much biology with humans, their aging process is highly fascinating to study.
While they share many similarities with us, apes do reach maturity faster than humans do. Here is a generally accepted way to estimate an ape's age in human terms:
- Infancy and Adolescence: In their early years (from birth to roughly age 12), apes mature about 1.5 times faster than humans. So, a 12-year-old ape is biologically equivalent to an 18-year-old human adult.
- Adulthood: Once they reach full maturity, their aging process remains steady. Generally, scientists estimate that every year of an adult ape's life is roughly equal to 2 human years.
| Ape Age | Human Age (Approx.) |
|---|---|
| 1 Year | 1.5 Years |
| 5 Years | 7.5 Years |
| 12 Years | 18 Years (Adulthood) |
| 20 Years | 34 Years |
| 40 Years | 74 Years |
| 50 Years | 94 Years |
About Apes: Great apes have complex social structures, the ability to use tools, and the capacity to learn sign language. They are deeply emotional and thoughtful creatures. In protected sanctuaries or zoos, apes frequently live long, enriching lives into their 50s.
Is this calculator accurate?
Yes, it provides a very reliable estimate. It is based on biological observations of primate development, factoring in their accelerated childhoods compared to humans.