Finding Your Perfect Hair Extension Lengths (With Length Chart)

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By Rehairsystem

Finding the perfect hair extension lengths can be a challenging task, but with the help of a length chart, it becomes much easier. Whether you have short hair and are looking to add length or simply want to enhance your natural hair, hair extensions can offer a great solution. From here, we will explore the different hair extension lengths available and provide you with a guide to finding the right length for your hair type and desired look.

What Are Hair Extensions?

Hair extensions are strands of real or synthetic hair that are attached to your natural hair to add length, and volume, and overall enhance your hairstyle. They come in various forms such as clip-in, tape-in, sew-in, and bonded extensions. Hair extensions can be made from human hair or synthetic fiber, with human hair being the most preferred option due to its natural look and feel.

Pros and Cons of Using Hair Extensions

Pros of using hair extensions:

  • Instant length: Hair extensions can instantly add length to your hair without having to wait for your natural hair to grow.
  • Extra volume: If you have thin or fine hair, hair extensions can provide extra volume and make your hair look fuller.
  • Versatility: Hair extensions allow you to experiment with different hairstyles and looks, giving you the freedom to change your hairstyle as often as you want.
  • Color experimentation: You can use hair extensions to try out different hair colors and highlights without having to dye your natural hair.
  • Hair protection: Hair extensions can act as a protective layer for your natural hair, preventing damage from heat styling, environmental factors, or excessive styling.
  • Confidence boost: Longer and fuller hair can boost your confidence and make you feel more attractive and stylish.

Cons of using hair extensions:

  • Expense: Quality hair extensions can be quite expensive, especially if you opt for human hair extensions.
  • Maintenance: Hair extensions require regular maintenance, such as frequent washing, brushing, and styling. This can be time-consuming and may require additional products.
  • Damage potential: Improper installation or removal of hair extensions can cause damage to your natural hair, including breakage, weakening, or thinning.

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How To Measure For Hair Extension Lengths?

Measure For Hair Extension Length

To measure hair extension lengths, follow these steps:

  1. Wash and dry your natural hair thoroughly.
  2. Use a soft tape measure to measure the length of your natural hair from the root to the tip.
  3. Take note of the length in inches or centimeters.

Decide on the desired hair extension length. If you want hair extensions that blend seamlessly with your natural hair, choose extensions that are the same length as your measured hair.

Plus, consider the hairstyle you want to achieve. Different hairstyles may require different hair extension lengths. And also consult with a hair extension specialist or refer to a hair extension length chart.

Hair Extension Lengths Chart

To make the process easier, refer to a hair extension lengths chart. It provides a visual representation of the different extension lengths available, allowing you to compare and pick the one that best suits your needs. The chart typically displays variations from 14 inches to 26 inches, giving you a range of options to customize your desired hairstyle.

Inches Centimeters Straight hair Wavy hair Curly hair
12 30 Shoulders Chin length Below the ear
14 35 Upper back Shoulders Chin length
16 40 Bra strap Upper back Shoulders
18 45 Shoulder blades Bra strap Upper back
20 50 Mid back Shoulder blades Bra strap
22 55 Mid back Mid back Shoulder blades
24 60 Lower back Mid back Mid back
26 65 Lower back Lower back Mid back
28 70 Waist Lower back Lower back
30 75 Hips Waist Lower back

Hair Extension Lengths Guide

Best Hair Extensions Length

Now, let’s dive into a comprehensive hair extension length guide, tailored to specific hair types and extension methods.

Hair extensions length for straight hair

For straight hair, the hair extensions length guide typically ranges from 14 inches to 24 inches, giving you options for various styles and desired lengths.

Hair extensions length for wavy hair

When it comes to wavy hair, the hair extensions length guide suggests opting for lengths between 16 inches and 22 inches, as this provides a perfect balance to enhance your natural waves.

Hair extensions length for curly hair

If you have curly hair, the hair extensions length guide recommends choosing extensions ranging from 18 inches to 26 inches to ensure that your curls blend seamlessly and create a stunning, voluminous look.

Clip-in hair extension length guide

When using clip-in hair extensions, it is essential to consider the length guide. You can select from 14 inches to 24 inches, allowing you to easily add length and volume to your hair within minutes.

Tape-in hair extension length guide

The tape-in hair extension length guide advises opting for lengths ranging from 16 inches to 22 inches. These extensions are ideal for adding thickness and length to your hair while providing a seamless and natural result.

Ponytail hair extension length guide

If you intend to use ponytail hair extensions, it is crucial to follow the length guide. Generally, the recommended lengths range from 18 inches to 26 inches, ensuring that your ponytail appears luscious and flows beautifully.

The Best Hair Extensions Length

Hair Extension Lengths

Now let’s explore the best hair extensions length for different natural hair lengths.

The best hair extensions length for long hair

If you already have long hair, you may want to enhance your length or add volume without going overboard with the extensions. In this case, 18 to 22-inch hair extensions are ideal. These lengths seamlessly blend with your natural hair, providing the desired length and allowing for versatility in styling. 

The best hair extensions length for medium hair

For individuals with medium-length hair, 14 to 18-inch hair extensions are highly recommended. These extensions add subtle length while achieving a natural and seamless blend with your existing hair. Whether you want to enhance the thickness of your hair or add a touch of glamour to your overall look, 14 to 18-inch hair extensions provide the perfect balance. With this length, you can experiment with hairstyles such as ponytails, braids, or loose curls to transform your appearance into a captivating one.

The best hair extensions length for short hair

For those who have short hair but dream of having long, flowing locks, hair extensions can make this dream come true. If you have short hair, opt for 12 to 14-inch hair extensions to achieve a harmonious and lengthened look. These extensions seamlessly blend with your natural hair, allowing you to create the illusion of longer tresses.

Whether you desire a chic bob or want to rock long curls, 12 to 14-inch hair extensions provide the versatility to experiment with various styles and showcase your personality.

Which Hair Extension Length is Right for You?

To help you further narrow down your choices, let’s dig into the specifics of each hair extension length.

  • 14″ Hair Length: This length is perfect for adding subtle volume and length, ideal for individuals who desire a natural and understated look.
  • 16″ Hair Length: Slightly longer and more noticeable, 16″ extensions are great for achieving a chic and sophisticated style.
  • 18″ Hair Length: A popular choice, 18″ extensions offer versatility and allow for various styling options.
  • 20″ Hair Length: Providing more length and drama, 20″ extensions are perfect for those who want to make a statement.
  • 22″ Hair Length: These extensions offer considerable length and volume, creating a bold and glamorous appearance.
  • 24″ Hair Length: If you crave long, flowing locks, 24″ extensions will give you the desired length and a dazzling effect.
  • 26″ Hair Length: For maximum impact and show-stopping hair, 26″ extensions will turn heads and make you the center of attention.

How Does the Length of Hair Extensions Affect the Cost?

The length of hair extensions can significantly affect the cost due to various factors:

  • Hair sourcing: Longer hair extensions require more raw hair material, which can be more expensive to source. The longer the desired length, the harder it is to find long, high-quality hair.
  • Production process: Longer hair extensions require more time and effort during the production process.
  • Overall weight: Longer hair extensions tend to be heavier as they contain more hair strands.
  • Maintenance and care: Longer hair extensions often require more maintenance and care to keep them in good condition.

Buy Your Perfect Hair Extensions from Rehairsystem

Buy Hair Extensions

With the knowledge gained from this comprehensive guide, you are now equipped to purchase your perfect hair extensions. Rehairsystem offers a wide range of hair extension lengths, ensuring you can find the ideal fit for your desired hairstyle and look.

Do you dream of having long, luscious locks that will turn heads wherever you go? Look no further than Rehairsystem. With their extensive range of hair extensions, you can achieve the look you’ve always desired. Whether you want a subtle change or a dramatic transformation, we can serve you.


What is the most popular hair extension length?

Hair extensions in the range of 18 to 22 inches are generally considered popular choices.

What is the difference between 16 and 20-inch hair?

A 16-inch hair extension will give you slightly above shoulder-length hair, falling around the collarbone area. On the other hand, a 20-inch hair extension will provide closer to mid-back length hair.

Can you put extensions in 2-inch hair?

Putting extensions in 2-inch hair may not be possible or advisable.

What is the longest hair extension length?

Hair extensions can come in various lengths, but the longest lengths usually available range from 24 to 30 inches.

What is the average length of hair extensions?

Many individuals opt for extensions in the range of 18 to 22 inches, as this length provides a significant transformation without becoming overly difficult to manage or maintain.

How long does your hair have to be for extensions?

Generally, a minimum length of 4-6 inches is recommended for most traditional extension techniques like bonding or fusion.


Finding your perfect hair extension length doesn’t have to be a daunting task. By considering factors such as your natural hair type, desired length, preferred extension method, and budget, you can easily narrow down your options. Utilize the comprehensive length chart and recommendations provided in this guide to choose the ideal hair extension lengths for a stunning, natural-looking transformation.

About Rehairsystem

Hello, is your go-to destination for premium human hair replacement systems. We are a factory direct supplier that is passionate about providing the world with first-class customized hairpieces. Our mission is to change people's lives through our high-quality hair systems, which come at an affordable price point for all budgets and lifestyles!