Bead Size Chart

Bead Hole Size Reference Chart
Bead Type Common Hole Size Suitable For / Notes
Acrylic Beads, Glass Beads, Resin Beads 0.4 mm, 0.5 mm Extra-small holes, commonly used for mini seed beads and 2 mm small beads.
Acrylic Beads, Glass Beads, Resin Beads 0.6 mm, 0.7 mm, 0.8 mm Regular small holes, commonly used for 3–6 mm round beads and flat beads.
Acrylic Beads, Glass Beads, Resin Beads 1.0 mm, 1.2 mm Standard holes, commonly used for 8–12 mm round beads and spacer beads.
Acrylic Beads, Glass Beads, Resin Beads 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm Large holes, commonly used for large-hole loose beads, barrel beads, and large spacer beads.
Natural Stone Beads, Agate Beads, Jade Beads, Ceramic Beads 1.0 mm, 1.2 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm Hole sizes are generally larger. Some handmade drilled beads may have holes around 3–4 mm.
Seed Beads, Miyuki Beads, Chinese Seed Beads 0.3–0.4 mm Approximate hole size for 1.5 mm seed beads.
Seed Beads, Miyuki Beads, Chinese Seed Beads 0.4–0.5 mm Approximate hole size for 2 mm seed beads.
Seed Beads, Miyuki Beads, Chinese Seed Beads 0.5–0.6 mm Approximate hole size for 3 mm seed beads.
Wooden Beads, Bodhi Beads, Craft Beads 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm Usually designed with larger holes.
Thread and Cord Matching Guide
Thread / Cord Type Recommended Minimum Hole Size
0.2 mm elastic cord ≥ 0.5 mm
0.3–0.4 mm elastic cord ≥ 0.6–0.7 mm
0.5 mm jade cord / nylon cord ≥ 1.0 mm
Beading wire / thick cord ≥ 1.5–2.0 mm
Pen-through hole size ≥ 2.5 mm
Note: For beads that need to fit through a pen, choose a hole diameter of 2.5 mm or larger.

Shop by Size


The Zoediy store offers a wide range of sizes. Simply enter the size you need in the search box, such as “8mm,” and all products in the 8mm size will be displayed, making it very convenient to find what you need.

Understand how bead size, hole size, and bead style can affect your design.

Choosing the Right Bead Size for Different Projects

Not every bead works the same way. Some projects need smaller beads for detailed patterns, while others work better with larger beads that create a stronger visual impact. Tiny beads are often chosen for delicate work, while oversized beads are easier to handle and stand out more in bold designs.

Hole size is another important factor. If you plan to use thicker elastic, leather cord, or multiple strands, beads with larger holes make assembly much easier and reduce frustration during threading. This is especially useful when working with heavier materials or projects that require extra durability.

Material also changes how a bead feels and performs. Glass beads tend to add weight and shine, creating a more polished finish, while lighter materials may be easier for larger decorative pieces. Choosing the right combination of size, hole width, and material can make a big difference in both appearance and usability.

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