HAIRCUT DECISION GUIDE

Haircut Numbers Chart: Guards, Millimetres and Lengths

Haircut numbers refer to clipper guards. Each step usually adds one eighth of an inch, but the result also depends on lever position, hair density and clipper system.

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How to make the decision

Begin with placement and shape rather than guard numbers. Your hair density, growth direction, top length and tolerance for frequent maintenance all affect the result.

Practical guidelines

  • Treat guard numbers as starting points, not a complete haircut request
  • Confirm whether your barber means guard-on or blade length
  • Use lower numbers only where you want visible scalp
  • Describe the blend height as well as the shortest guard
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Build a useful barber reference

A good brief specifies fade height, shortest length, the weight above the blend, top length, texture and neckline. Generate the visual first, then use those details to make the request precise.

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Frequently asked questions

What matters most when understanding haircut and fade numbers?

Start with the silhouette and blend height, then agree on the shortest guard, retained side weight, top length and maintenance level.

What should I show my barber?

Bring a clear side and back reference and describe what you like about the placement, shape and contrast.