How Fast Do Red Eared Slider Turtles Grow?

Red Eared Slider Turtles are a common species of aquatic turtle and one of the most popular pet turtles in the world. They have an average lifespan of 15-20 years but can live much longer if cared for properly. Red Eared Sliders grow quickly during their first few years, with males reaching their adult size around 4 to 5 inches and females 7 to 8 inches.

In general, they grow between 1/2 inch to 1 inch each year until they reach maturity at 6 to 8 years old; this is when growth slows down significantly or stops altogether. As long as proper diet and housing requirements are met, these turtles should reach full size by 10-12 years old.

Red-Eared Slider Growth Chart

The Red-Eared Slider is an incredibly popular pet turtle and their growth rate can be quite striking. A healthy Red-Eared Slider will grow approximately one inch per year, with a maximum size of around 10 inches for males and 12 inches for females.

Baby0-1 year1-3 inches
Juvenile1-5 years3-6 inches
Subadult5-8 years6-8 inches
Adult8 years+8-12+ inches

It’s important to keep track of your Red-Eared Slider’s growth by using a growth chart which measures the shell length from its carapace (top) to plastron (bottom). This way, you can make sure your pet is receiving all the nutrition it needs to reach its full potential!

Red-Eared Slider Size by Age

A red-eared slider’s size depends on its age. When they are hatched, the turtles measure around an inch long and can grow up to 8 – 10 inches in length as adults. As juveniles, sliders typically reach a shell length of 4 to 5 inches before reaching their full adult size at about 3 years old.

It is important for owners of pet sliders to provide them with adequate space and food in order to allow them to reach their full potential growth rate.

How Big Do Male Red-Eared Sliders Get?

The male red-eared slider can grow to be up to 12 inches in length, although they typically average between 5 and 8 inches. They have an oval shaped shell that is dark green with yellow stripes along the sides and a bright red stripe behind each eye. These turtles are long-lived and can live for more than 30 years in captivity if properly cared for.

How Big is a 1 Year Old Red-Eared Slider?

A one year old red-eared slider can measure anywhere from 4 to 8 inches in length. The size of the turtle depends on factors such as species, sex, and diet. Red-eared sliders are a type of semi-aquatic turtle that is native to the United States and is a popular pet for many people. As they grow older, their shell becomes more oval in shape and gets darker with age.

Male turtles tend to have longer tails than females, while both sexes typically have bright yellow stripes along their necks and sides. A healthy red-eared slider will eat a variety of foods including aquatic plants, small insects, worms, and commercial turtle food pellets. With proper care and nutrition, these turtles can live up to 50 years or even longer!

How Old is a 4 Inch Red-Eared Slider?

A 4 inch red-eared slider turtle is approximately 3 to 5 years old. It is believed that they reach sexual maturity around the age of 8 or 9, which means they can live a long life if well cared for. Red-eared sliders are native to North America and can be found in slow streams, ponds, lakes, and marshes.

They usually have a greenish color with yellow stripes on the sides of their body and head and distinctive red patches behind each eye that give them their name “red-eared” turtles. In captivity, these turtles require regular basking spots where temperatures range from 80°F – 85°F (26°C – 29°C) as well as UVB lighting to help keep them healthy.

A diet consisting of fish pellets, shrimp pellets, or reptile sticks along with dark leafy greens such as kale or spinach will provide optimal nutrition for your pet turtle.

Do Red-Eared Sliders Grow With the Size of Their Tank?

Yes, red-eared sliders do grow with the size of their tank! Red-eared sliders are one of the most popular pet turtles in North America and have become an iconic part of many people’s childhood. These semi-aquatic turtles can live up to 40 years in captivity if given proper care and they will actually grow to fit the size of their tank.

In a larger tank, these turtles can reach upwards of 10 inches long from shell tip to tail tip while smaller tanks may only allow them to reach 6 inches or less. Having more space for your red-eared slider also means that it has better water quality as there is more room for filtration systems that cycle through the water faster and keep it clean for your turtle.

Additionally, having a large enough tank allows you to include natural items like rocks, driftwood, plants, etc which all make for a much happier home environment for your turtle friend where they can explore different objects in between swimming laps.

How Big Are Red-Eared Sliders When They Are Full Grown?

Red-eared sliders are a species of aquatic turtle native to the United States. They can grow up to 8-12 inches in length, with females typically being larger than males. When fully grown, their shells tend to be a dark olive green color and have yellow stripes running down their neck and legs.

Red-eared sliders have become increasingly popular pets thanks to their friendly personalities and vibrant colors. However, it is important for potential owners to remember that these turtles can live up to 30 years in captivity if given proper care! Tanks should be at least 55 gallons or larger depending on the size of your turtle, as well as heated and filtered properly for optimal health.

Furthermore, red-eared sliders require plenty of space both above and below water so they can bask in the sun during warm months while entering hibernation during colder temperatures. With proper care and dedication from an experienced owner, red-eared sliders can make wonderful additions to any family!

My Baby Red-Eared Slider’s One Year Growth in One Minute


Red eared slider turtles are interesting and easy to care for pets. With proper nutrition and good habitat, they can grow quickly from hatchlings into adults within 4-6 years. Therefore, it’s important that potential owners do their research before bringing one of these turtles home so they understand all the necessary steps needed to keep them healthy and happy.