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Guide for Haircut Numbers – Hair Clipper Sizes

Men flaunt your looks with over the top hair cut numbers and clipper sizes!

Hairstyles have been one of the most important aspects for men as well as women for ages. Hair has been an integral and essential element of beauty regimes always. A well-cut hair immediately augments a person’s looks while a poorly done job will mar even the loveliest features.

Different eras have given rise to different hairstyles and trends in men. As fashion evolved so did the styling of hair took center stage. It would not be wrong to say that hair frames the face to give it a certain aura.

Hair no doubt increases the beauty and fashion quotient and catapults the person to a different league. If the hairstyle suits his face, it changes his personality totally.

Men have also, over the ages, experimented with different styling of hair like women. Different eras have seen men sporting long hair, short hair, ponytails, and hair bands, gone bald and done different things to improve their appearance via styling of hair in different ways.

Barbers and hair cutting salons have come up with innovative ideas to lure men getting into the hair parlors. They sell unique hair cuts to increase their popularity. Celebs are roped in by them to attract men customers. They have come up with different tools to help men have good hairstyles.

Men have always been thinking of improving their hair cuts through different methods of styling hair. So hair cutting salons have mushroomed all over attracting clients by their exclusive hairstyles.

So here they came up with an innovative and unique way of styling men’s hair using tools such as hair clipper sizes and hair cut numbers. These instruments used in hair cutting have been a little mind-boggling for men to understand correctly. But it has really helped them in a big way.

Hair cutting styles have come a long way because of the support of these tools. It has also made it easier for barbers as well as men themselves (if they want to go in for styling themselves) to sport a unique hairstyle.

Hair cut numbers are different lengths of men hair that are very short hair, little longer cut, side shaved hair, spiked hair and so on. And with a clipper set, men can get these cuts themselves or by a barber.

Different clipper guard sizes correspond to different length numbers. So men have to be aware of what cut they want and then select the length of hair each clipper number corresponds to. So a detailed knowledge of these hair clipper sizes should be available with men to make the right choice.

In this article, we will come up with a simple and easier solution by explaining the length of hair each clipper number represents and make it cool for men to hit upon a hair cut style. The numbers are engraved in the clipper guards themselves.

Generally, clipper sets provide 8 guards, and it corresponds to the quantity of hair left after it has been used. The higher the number the length of hair would be that much longer. Clipper companies like Andis, Wahl and Oster use in the increasing length of 1/8 of an inch.


Guide for Haircut Numbers – Hair Clipper Sizes

Haircut Numbers – Hair Clipper Sizes


What is the Longest Haircut Number?

The longest haircut number is Number 8 haircut which is almost 1 inch in length and is associated with the highest clipper size made in the United States. A fade haircut is also given by this clipper but is generally avoided. It is generally used to trim the hair on top of the head.


What is the Lowest Haircut Number?

A Number 0 is the shortest length of hair cut which is a very short hair styling almost like a buzz cut or the skin of the scalp is visible like in a bald look in which the clipper has no guard attached to it. So a crew cut type of hair cut is the shortest length of hair corresponding to size zero of hair clipper.

The haircut numbers and their corresponding clipper guard lengths or sizes are listed below to help you in making an informed choice.


Haircut Number Vs. Clipper Size

Haircut Number Length in Inches Length in mm (Andis)
1 1/8 0,25
2 1/4 0,5
3 3/8 1,2
4 1/2 1,2
5 5/8 2,4
6 3/4 3,2
7 7/8 4
8 1 5,3


Number 1 Haircut

Haircut Numbers – Hair Clipper Sizes

This cut exposes the scalp a bit so unless you want to show off your scalp, you should not go in for this style. No. 1 haircut is a wee bit longer than number 0 and is 1/8 of an inch which also makes your scalp visible to a certain extent.

Generally, sailors and workers keep this style to be hassle-free. Even style aficionados get this cut to change their looks from time to time. After it is done a layer of minute hair is left on the scalp.

This gives a bald look to the person but is not totally bald. If somebody wants to have a shaved look without the baldness can go in for this haircut done by attaching guard number 1 to the clipper.


Number 2 Haircut

Haircut Numbers – Hair Clipper Sizes

The scalp is totally hidden in this haircut, and it is a little longer than number 1 haircut. After styling a lot of hair is there on the scalp to cover it and gives a stylish look. This is common hairstyle men resort to especially in the summer months.

Cool and fast dry and hassle-free is very comfortable to carry. A buzz cut is one of them. The #2 haircut is not too long or short and is ¼ of an inch in clipper size. So guys with hair loss can also go for this look.


Number 3 Haircut

Haircut Numbers – Hair Clipper Sizes

Number 3 hairstyle is one of the highest clipper sizes where the hair is almost cut down to 3/8 of an inch. It is generally used by stylists to give short dusky sides. A longer version of the buzz cut can be given by it by using it on the top of the hair.

Hair spikes can be given by#3. It provides a hot look and is easy to wash and style. Fashionable men sport this spiked look hairstyle with fades or blur on the sides.


Number 4 Haircut

Haircut Numbers – Hair Clipper Sizes

In this haircut, more hair is left on the scalp than the above 3 numbers. The hair strands are almost half an inch in length and so styling can be varied. The short and long versions of hairstyle can be done and a parting is also possible with this #4 hairstyle.

Guys with a little heavier face or round can go in for this hairstyle because it provides a lighter look to the hair with more hair on the top than on the sides. #4 size which is a ½ inch long can be done on thin as well as thick hair. A brush cut is given with skin fades on the sides.


Number 5 Haircut

Haircut Numbers – Hair Clipper Sizes

Most of the clipper companies use #5 and #6 clipper guards for giving a tapered styling look which is the number 5 hairstyle. The number 5 haircut length is 5/8 of an inch and leaves a lot of hair at the top of the head.

A lot of different styling can be done with it like many fades and parted at the sides. This is the most sought after length for men, and this length of the hair can style the quaff and the fringe designs. So it is a common go after styles for men.


Number 6 Haircut

Haircut Numbers – Hair Clipper Sizes

This number 6 hairstyle is quite like the number 5 hairstyle in the ways it can be brushed and styled. Often the styling is done in such a way that the length of hair on the front is number 6 while the rest of the hair has different hair lengths.

This gives a cool stylish look. Number 6 hairstyle is ¾ of an inch slightly higher than other numbers. It is generally secured for tapering the hair.


Number 7 Haircut

Haircut Numbers – Hair Clipper Sizes

It is generally styled by #7 to give a crew cut type of style. It has a length of 7/8 of an inch and men with thick, voluminous hair can go for this cut. Size guards of smaller numbers like (#1,2,3 and 4) can be used to fade hair on the sides.

It is the kind of haircut where little hair is trimmed with lots of hair still left. Fashion-conscious men who want to style their hair into various styles and who also want to show the natural nice texture of the hair generally go for this clipper guard hairstyle.


Number 8 Haircut

Haircut Numbers – Hair Clipper Sizes

This number 8 haircut tends to leave most of your hair without cutting and only a very light trimming is done to style the hair.

This is basically a longer length of hairstyle where a punkish or Mohawks kind of styles are attained on the lower length while a fade kind of hair cut is given on the top of the head to provide a sort of retro look.

The edges are generally trimmed and not much hair is cut leaving most of the hair intact. This is the last number in the hair clipper guards and is the longest almost 1 inch in length manufactured in the United States.

It is an easy way to trim the hair on top of the head while using a#1,2 and 3 on the side length and a fade haircut is generally avoided with it.



So to conclude, a particular hair clipper size corresponds to a certain number of hair-length left after cutting. It is used to give different styles and looks to men who use it to get their hair cut.

Some of the cuts are buzz cut, crew cut, fade, trim and so on. So, guys, lots of options are available to give the right cut to suit your face and to look stylish and sophisticated.

So go for numbers 0 to 8 to get a sleek look. Round face, long face, square face, oblong face have representative clipper guard sizes and numbers which helps to frame the face in such a way to give it the most classic and iconic look.