Haircut Length Chart
Explore haircut lengths from very short buzz cuts to longer styles, including clipper guard numbers, approximate cutting lengths in inches and millimeters, and easy-to-understand references.
Clipper guard sizes and cutting lengths can vary by brand, blade system, lever position and technique. Always check your clipper manufacturer's specifications for exact measurements.
Haircut Length & Clipper Guard Explorer
#2 Clipper Guard
The most popular all-around buzz cut size (1/4 inch). Full scalp coverage with zero styling required.
Solid, uniform hair coverage with minimal scalp exposure. Gives a neat, athletic look.
#2 All-Over Buzz Cut, Crew Cut Sides, Caesar Cut Base, Athletic Cut.
A #4 guard is approximately 7 mm (0.28 inches) longer than a #2 guard.
Complete Clipper Guard Size Reference Chart
Standard millimeter and inch cutting lengths from bare blade through #8 full guard.
| Guard Number | Millimeters (Approx) | Inches (Fraction / Dec) | Category | Primary Hairstyle Utility |
|---|---|---|---|---|
| No Guard (Bare Blade) | 0.5 mm (varies) | 1/50″ (0.02″) | Skin Fade | Skin Fade, High Bald Fade |
| #0 Guard | 1.5 mm | 1/16″ (0.06″) | Skin Fade | Military Induction Cut, Zero Fade Transition |
| #0.5 Guard | 2.0 mm | 5/64″ (0.08″) | Very Short Buzz | Mid-Fade Blend, Low Taper Transition |
| #1 Guard | 3.0 mm | 1/8″ (0.12″) | Very Short Buzz | Classic #1 Buzz Cut, High & Tight Sides |
| #1.5 Guard | 4.5 mm | 3/16″ (0.18″) | Classic Buzz | Smooth Taper Fade, 1.5 Waves Prep |
| #2 Guard | 6.0 mm | 1/4″ (0.24″) | Classic Buzz | #2 All-Over Buzz Cut, Crew Cut Sides |
| #3 Guard | 10.0 mm | 3/8″ (0.39″) | Short Crop | Long Buzz Cut, Textured Butch Cut |
| #4 Guard | 13.0 mm | 1/2″ (0.51″) | Short Crop | Classic Crew Cut, Ivy League Top |
| #5 Guard | 16.0 mm | 5/8″ (0.63″) | Medium Taper | Side Part Taper, Textured Crop Top |
| #6 Guard | 19.0 mm | 3/4″ (0.75″) | Medium Taper | Classic Taper Top, Short Pompadour Base |
| #7 Guard | 22.0 mm | 7/8″ (0.87″) | Long Guard | Natural Long Taper, Thick Crown Trimming |
| #8 Guard | 25.0 mm | 1″ (0.98″) | Long Guard | 1-Inch Uniform Cut, Long Scissor-Alternative Top |
Haircut Length Categories
From micro-stubble fades to scissor-sculpted flow cuts.
Buzz Cut
Very short clipper-cut styles where the scalp ranges from fully visible to lightly shadowed. Requires zero daily styling.
Short Haircuts
Short clipper lengths commonly used for crew cuts, ivy league styles, French crops, and smooth taper fades.
Medium Haircuts
Longer clipper guards transitioning into short scissor-cut territory. Holds pomade, partings, and quiffs.
Long Hair & Scissor Styles
Hair extending beyond standard clipper guard lengths. Requires professional shear shaping, layering, and texture control.
Clipper Length vs. Hair Length: What Is the Difference?
It is important to understand the distinction between clipper guard cutting length and overall hair length:
Clipper Cutting Length
The exact height of hair left standing on the scalp after the clipper blade passes through with a specific guard attached (e.g. A #2 guard leaves ~6 mm of hair).
Overall Hair Strand Length
The total measured length of an individual hair strand from root to tip (e.g. 18 inches of hair falling down the back).
What Does the Clipper Taper Lever Do?
On professional and adjustable home hair clippers, the small lever on the side adjusts the cutting blade position:
- Closed Lever: The cutting blade is positioned flush against the guard for the shortest, closest cut possible for that guard size.
- Open Lever: The blade moves back, adding approximately 0.5 mm to 1.5 mm of extra length. For example, a #1 guard with the lever fully open cuts closer to a #1.5 guard (~4.5 mm).
- Intermediate / Half-Way: Used by barbers to erase visible graduation lines when creating seamless tapers and fades.
Are Clipper Guard Sizes Universal Across All Brands?
While most leading grooming brands (such as Wahl, Andis, Oster, and BaByliss) follow a standard numbering system where each guard number roughly equals 3 mm (1/8 inch), minor proprietary variations of 0.5 mm to 1.5 mm exist between manufacturers. Always consult your clipper manual for exact technical millimeters.
Haircut Length & Clipper FAQ
What does a #1 clipper guard mean?
A #1 clipper guard cuts hair to approximately 3 mm (1/8 inch). It produces a very short, clean buzz cut where the scalp may be subtly visible under direct lighting depending on hair density and color.
How many millimeters is a #2 clipper guard?
A #2 clipper guard is commonly referenced as approximately 6 millimeters (1/4 inch). It is widely regarded as the most popular standard buzz cut guard because it provides full scalp coverage while remaining completely maintenance-free.
How long is a #4 haircut?
A #4 clipper guard leaves approximately 13 mm (1/2 inch) of hair. This length provides noticeable volume and is standard for crew cuts, ivy league styles, and classic conservative haircuts.
What is the longest standard clipper guard in a home barber kit?
The longest standard clipper guard in most commercial sets is the #8 guard, which leaves approximately 25 mm (1 inch) of hair. Specialty extended guard attachments (such as #10 or #12) exist but are less common.
What is a #0 haircut?
A #0 haircut is approximately 1.5 mm (1/16 inch). It leaves micro-stubble across the scalp and is frequently used in military induction cuts, high-and-tight fades, and bald fade blend transitions.
What is the difference between a #1 and #2 guard?
A #1 guard leaves approximately 3 mm of hair, whereas a #2 guard leaves approximately 6 mm. That 3 mm difference significantly reduces scalp visibility and produces a darker, fuller appearance.
What does the clipper taper lever do?
On adjustable clippers, the taper lever moves the cutting blade closer to or farther from the stationary guard. With the lever closed, the blade cuts shortest; with the lever open, it adds approximately 0.5 mm to 1.5 mm to the guard’s cutting length, enabling seamless blending between guard numbers.
Are clipper guard sizes universal across all brands?
While most major brands (Wahl, Andis, Oster, Babyliss) adhere to similar number-to-millimeter ratios (e.g. #2 ≈ 6 mm, #4 ≈ 13 mm), slight variations of 0.5 to 1.5 mm exist between manufacturers. Always verify your specific clipper model’s specifications.
How do I convert clipper guard sizes to millimeters?
Standard guard numbers multiply approximately by 3 mm per guard size (e.g., Guard #1 ≈ 3 mm, #2 ≈ 6 mm, #3 ≈ 10 mm, #4 ≈ 13 mm, #8 ≈ 25 mm). Use our Clipper Guard Size Converter for exact calculations.
Is a #8 guard the same as a scissor haircut?
A #8 guard leaves a uniform 1-inch (25 mm) length across the entire head. While it shares length with short scissor cuts, scissor cutting allows customized graduated lengths, weight removal, and texturizing that clippers alone cannot achieve.