The Ultimate Guide to Hair Clipper Sizes

Men’s hair clippers have definitely become a standard part of every home, especially in today’s economy. You might ask what the economy has got to do with hair clippers. Well, owning a hair clipper set is a smart economical choice because instead of visiting your barber or hairdresser salon every month for getting a haircut, you can cut your hair from the comfort of your home. Plus, your budget will be happy.

You already know that choosing the right hair clipper is not easy at all, right? It requires a little research, especially when it comes to popular brands, models, and accessories and attachments included. Speaking of which, blades and guide combs are the main accessories you need to take into consideration. Fortunatelly, we have already done the research on this site – so you don’t have to!

Btw, if you haven’t selected your hair clipper brand yet, head over to home page and read the pros and cons of each!

Having multiple guide combs and blades is one criterion when it comes to choosing the right hair clipper that’ll suit your hairstyle. So, it’s advisable for you to understand the numbers in hair clippers sizes and their equivalent length because these numbers are very important for getting different length variations of your hair.

Hair clippers have adjustable length settings and removable length guards so that you can cut your hair in a uniform length easily and quickly. These guards are all numbered and each number correlates to a specific length. Although the guards are standardized, you might find a slight variation from one model to another.

Among all hair clippers, there are three big brands we’re all familiar with – Oster, Wahl, and Andis. Each clipper from these major brands uses either guide combs or detachable blades, and furthermore, different brands have different clipper blade or guard numbers. But don’t worry; you know we make things easier for you, so we’ve created a list with the most common clipper blade and guard sizes.

Oster Hair Clipper Sizes

BladeGuide CombSize (inches)Size (mm)
0000001/160,2
000011/80,25
00021/40,5
Modified 0A33/80,5
0A41/21,2
151/5,82,4
1A63/43,2
1,577/84
2816,3
3,591,2510
3,75//13

Please note that the Oster blades fit Classic 76, Model One, Octane, Outlaw Clippers and Model 10.


Wahl Hair Clipper Sizes

BladeGuide CombSize (inches)Size (mm)
10451/21/16UMC*
0000011/80,4
000021/40,6
00033/80,8
0A41/21,8
Modified 0A55/81,8
163/42
1A77/82,8
1,5813,8
2//6
3,5//8

*Universal Multi-Cut: Please note that Wahl #1045 is a universal blade for each corded hair clipper. Wahl Competition Series Blades comes in different sizes in comparison to Andis and Oster.


Andis Hair Clipper Sizes

BladeGuide CombSize (inches)Size (mm)
0000001/160,2
000011/80,25
00021/40,5
0A33/81,2
0A F/D41/21,2
155/82,4
1A63/43,2
1,577/84
2815,3
3,5//9,5
3,75//13

Please note that the Andis Hair Clippers Combs fit MBG, BGCL, BGRC, BGR+, BGC, and BG.


You do know that when you’re cutting your hair, it’s what you leave on your head that counts, not what you take off, right? So, yeah, learning about the comb grade length is of an utmost importance because even one millimeter can make a huge difference.

So, how to choose the right clipper size?

Well, it mostly depends on the look and style you’re going for. Whatever blade or clipper guard you will choose, make sure it corresponds with the style you want to have. If you’re going for haircut buzzed close to the scalp, choose a small size clip with a small number on it. Going for a longer hair? Opt for a big clipper size.

Hair clippers are easy and safe to use for all people, and you just can’t mess up your hairstyle while using them. But if you’re that clumsy, don’t worry; everything is fixable!

You can even experiment with your hair a bit, but whatever you do, you must learn how to use the right hair clipper size for the style you want. As you can see, the sizes range greatly, and thus it’s advisable to know ahead of time what can you expect.

Remember: always go for a clipper size that is slightly longer than you’ll need because you can go shorter anytime you want. You know the saying: measure twice, but cut once.

Oh, and in case you didn’t know, super-short men’s buzz cuts are so ‘IN’ right now. Not only will you look great, but you will also be able to come out of a shower and be immediately ‘styled’. If you’re not 100% sure about a buzzcut, however, why not check out our fine run-down of best hair-cutting scissors available?

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