Clipper Guard Numbers Explained
(Chart + Guide)

The Guard Number Chart

Standard clipper guards run in these lengths (they're near-universal across major brands):

Which Guard for Which Cut

• Induction/military buzz: #1 or #2 all over.
• Buzz cut with definition: #2–#3 on top, #1 on the sides.
• Crew cut: scissors or #4–#6 on top, tapering down the sides.
• Fade base: the fade blends between guards — e.g. #1 up to #4 — plus skin at the bottom for a skin fade.
• Sides of a longer style: #2–#3 keeps them neat without going too short.

Using Them at the Barber

Just state the number: "#2 on the sides, faded up to a #4, scissors on top." If you're unsure, ask the barber to start one guard longer than you think — you can always go shorter, never longer. Remember guards give the same length everywhere, so any real shape (fades, tapers) comes from blending between them, which is a barber skill, not a single guard.

Guard Numbers Vary More Than You Think

The chart above covers the common standard sizes, but a few things can make the same number cut differently.

• Blade position: on clippers with a taper lever, cutting with the lever open leaves the hair slightly longer than cutting with it closed, even on the same guard.
• Half sizes: some sets include a #0.5 and #1.5, and some barbers use them to soften the jump between #1 and #2 in a fade.
• Brand differences: most follow the same numbering, but a few sets differ slightly, so if a new clipper seems off, compare lengths rather than trusting the number.
• Hair type: curly and coily hair looks shorter than the guard length because each strand curls back on itself, while straight hair stands up and looks fuller at the same number.

Common Mistakes With Guards

• Clipping the guard on loosely. A guard that slips off mid-pass leaves a bald strip. Push it on firmly and check it before every section.
• Cutting against the grain without expecting it. Going against the growth direction cuts closer than the number suggests, especially at the crown and neckline.
• Starting too short. If unsure, start one size longer, look at the result dry, then go down. A #2 that should have been a #3 takes about a week to recover.
• Forgetting cowlicks. A swirl at the crown can stand up and look patchy at #1 or #2. A slightly longer guard over that spot usually looks more even.

Keeping Guards Accurate

Guards are simple plastic, but they still wear. Cracked or bent teeth can pull hair or cut unevenly, and a guard that no longer clicks firmly onto the blade is a safety risk as much as an accuracy one.

Brush hair out of the guards after each use and wash them in warm soapy water now and then, letting them dry fully before storing. Keep the full set together in order so you are not guessing between a #3 and #4 halfway through a haircut.

Frequently Asked Questions