How old is a 4 inch turtle?
If your female turtle is between 6 and 8 inches long, she is likely 5 to 7 years old and is considered an adult. If your male red-eared slider is 4 inches long, he’s between 3 and 5 years old and has likely reached sexual maturity.
How do you know how old a red-eared slider turtle is?
There’s no definitive method to know the exact age, but certain signs help make an educated guess. The size and color of the carapace, the number of rings in the turtle’s belly, and examining the size of the claws can help to find out a Red-eared slider turtle’s tentative age.