How Big Do Parakeets Grow?

On average, Parakeets reach a size of about 7 to 8 inches (18 to 20 cm) in length from their beak to the tip of their tail feathers.

In weight, typically weigh around 25 to 40 grams (0.9 to 1.4 ounces) when they are fully grown.

However, their weight can vary based on factors such as age, diet, genetics, and overall health. 

These measurements include both their compact bodies and their long tail feathers.

Three Parakeets

Despite their diminutive size, parakeets come in various colors and patterns, making them a favorite among bird enthusiasts.

Their vibrant plumage and lively personalities make them a delightful addition to any household.

So, while they may be small in stature, the joy and companionship they bring are immeasurable.

The difference in the growth between a young parakeet and an adult parakeet can be judged easily from their face.

The parakeets get mature at a very rapid pace in around six weeks, and they gain all the feathers around them.

They also become eligible to eat by themselves without any help.

When a parakeet is young, the face does have black stripes around its nostrils.

Usually, such a face can last around 3 months of its age.

They also tend to develop blue shades near their beaks.

If you look at their tail, you would be able to see dark blue shades and yellow splashes around them.

Parakeet’s Size and Growth

Parakeets that are living out in the wild are basically smaller.

Their growth mainly depends on food and their hard-working capabilities for survival.

A parakeet grows well in size when it has a proper diet and healthy food.

If a parakeet is struggling to get proper food out in the wild and is also thriving for survival, such a parakeet may be even smaller in size.

It’s really important for the bird owners to know everything about the growth of these parakeets at their age of life.

The average length of a parakeet can grow is between 18cm to 22cm.

This size does include its tail and whole body length from head to toe.

Due to this size, they weigh around 1 ounce (28 g) on average.

To understand the age better, we see these facts in a quicker view.

  • Parakeets tend to grow quickly, and they get mature within 6 weeks.
  • When a parakeet is born, the only they feed on is the “crop milk”. Such a small budgie can’t see anything and only has few feathers on the body.
  • At the age of 3-5 days, a parakeet is blind and is also unable to move.
  • When the parakeet gets to 6 to 9 days of age, it starts to grow feathers and is also able to see the world.
  • When they reach 10 or 12 days of age, they are filled with feathers and get great fancy color shading on their body.
  • At 13 or 15 days of its life, a parakeet becomes a fluffy little fellow with all of its body covered with feathers and long wings.
  • After 19 days, a parakeet is all set to gain its full form and colors, and they tend to stay active during the whole day.
  • With 20 days of life, the parakeet gains good vocal abilities and stronger body movement. They also develop some color shading on their face with stripes.
  • After a month, a parakeet is covered with feathers, and it becomes active to eat more and stay energetic and chirping all day with the owner. Their feathers start to grow to the full size, and they are also able to fly.
  • After 40 days of their life, you can expect them to be fully grown and all set to be living the healthy mature birdlife that they were born for.

What Helps in Parakeets Growth?

Nutritional values play a very important role in the healthy development of a parakeet.

They can greatly affect a parakeet’s size and growth.

If you have a pet parakeet, you must make sure that it’s getting proper food and treats for nourishment and body development.

Usually, parakeets love fresh fruits like apples, guava, melon, berries, etc., to eat. Owners can also feed them with fresh veggies.

You must be sure that the food you are giving to the parakeet must not contain too much sugar quantity like high fructose.

Otherwise, your parakeet may feel ill or sick from the diet.

It’s always easy to spoil a pet by taking extra care of it and feeding it some extra food all the time, but that can turn bad sometimes.

You don’t want to lose your pet bird, so you ought to be careful with the diet.

You must know what you are feeding to your bird, and it’s recommended that you keep your bird on a seed-based diet that is not harmful in any way for these birds.

You should know what your pet likes and what it doesn’t.

Take proper care of it.


In conclusion, the world of parakeets holds a captivating mix of charm and curiosity.

Their petite size, averaging around 7 to 8 inches in length, is a testament to the wonders of nature’s diversity.

These small yet vibrant birds have woven themselves into our hearts, proving that size is no barrier to the joy and companionship they bring into our lives.

As we’ve explored the dimensions of parakeet growth, it’s clear that their size is just a fraction of the story.

The bond between humans and these feathered friends goes beyond measurements, reaching into the realm of shared experiences and cherished moments.

Whether perched on a branch or fluttering around their cage, parakeets remind us that the smallest beings can have the biggest impact on our lives.

So, whether you’re an aspiring parakeet owner or an admirer of these colorful companions, let their size not be the only thing that captures your attention.

Embrace their personalities, marvel at their beauty, and treasure the connections you form with these enchanting creatures.

In the world of parakeets, the question of how big they grow is just the beginning of an incredible journey into the wonders of avian companionship.


Do male and female parakeets have the same size?

Generally, both male and female parakeets have similar sizes. It can be challenging to differentiate between the sexes based solely on size, as other characteristics such as behavior and coloration play a more significant role in gender identification.

At what age do parakeets reach their full size?

Parakeets usually attain their full adult size at around 6 to 8 months of age. During this period, they go through a growth phase where their feathers, body structure, and overall size develop.

Are there different types of parakeets with varying sizes?

Yes, there are different species and subspecies of parakeets that exhibit slight variations in size. However, the commonly kept parakeet species, such as the Budgerigar, generally fall within the 7 to 8-inch size range.

Can a parakeet's size change over time?

Once parakeets reach their full adult size, it is unlikely that their size will change significantly. However, factors like diet, health, and environment can influence their overall condition and appearance.

Are larger parakeets more valuable than smaller ones?

Parakeet value is not solely determined by size. Other factors like coloration, pattern, lineage, and personality contribute to a parakeet’s overall worth. Each parakeet’s uniqueness makes it special, regardless of its size.

Can I do anything to ensure my parakeet grows to its full potential size?

Providing a balanced and nutritious diet, a clean living environment, regular exercise, and proper healthcare can support your parakeet’s overall well-being and development. However, their size is primarily influenced by genetics.

Last Updated on August 14, 2023 by Lily Aldrin

About Lily Aldrin

I am Lily Aldrin. I attended Cornell University, where I obtained my degree to become an Ornithologist so I could pursue my love of these magnificent creatures in and out of their natural habitats.

Leave a Comment