Needle Gauge Size Chart

The Needle Gauge Size Chart displays the gauge, color, outer diameter, inner diameter, and length of various needle sizes ranging from 14 to 30.
Gauge Color Outer Diameter (mm) Inner Diameter (mm) Length (mm)
14 Orange 2.108 1.676 Varies
16 Grey 1.651 1.194 Varies
18 Green 1.270 0.838 Varies
19 White 1.067 0.711 Varies
20 Yellow 0.908 0.610 Varies
21 Green 0.819 0.514 Varies
22 Black 0.718 0.413 Varies
23 Blue 0.642 0.337 Varies
25 Red 0.508 0.260 Varies
27 Grey 0.410 0.203 Varies
30 Brown 0.310 0.159 Varies

The Needle Gauge Size Chart provides essential information about various needle gauges used in medical and healthcare settings. This chart includes details such as the gauge size, color code, outer diameter, inner diameter, and length of the needles. Understanding these specifications is crucial for healthcare professionals to ensure accurate and safe usage of needles during medical procedures. The chart encompasses a range of needle gauges, from 14 to 30, each distinguished by a unique color code. By referring to this chart, healthcare professionals can easily identify and select the appropriate needle gauge for their specific requirements.


What is a needle gauge size chart used for?

A needle gauge size chart is used to determine the diameter and thickness of different types of needles, particularly in medical and sewing contexts. It helps identify the appropriate needle size for specific tasks.

How are needle gauge sizes measured?

Needle gauge sizes are usually measured using a system called Birmingham Wire Gauge (BWG) or American Wire Gauge (AWG). The higher the gauge number, the smaller the needle diameter.

What are the common needle gauge sizes used in medical applications?

Common medical needle gauge sizes range from the smallest needle gauge, such as 30G or 33G, to larger sizes like 18G or 15G. The selection of gauge size depends on the specific medical procedure or application.

What needle gauge sizes are typically used in sewing?

In sewing, needle gauge sizes are measured differently. The most commonly used sewing needle gauge sizes range from 60/8 (smallest) to 110/18 (largest), where the first number represents the European metric size and the second number denotes the American size.

How can I use a needle gauge size chart effectively?

To use a needle gauge size chart effectively, match the specific application or task to the recommended gauge size. For example, finer gauge needles are generally used for delicate and precision work, while larger gauge needles are suitable for tasks requiring more robust stitching or material penetration. Consult the chart for the suggested gauge sizes for your particular needs.

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We have not conducted any studies ourselves. Our article provides a summary of all the statistics and studies available at the time of writing. We are solely presenting a summary, not expressing our own opinion. We have collected all statistics within our internal database. In some cases, we use Artificial Intelligence for formulating the statistics. The articles are updated regularly.

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