about 3/4 of an inch or 2 cm
There is no scientific name for the width of the index finger. The name index finger literally means pointing finger.
about the width of your thumb twice If you are an adult, I would estimate more like the width of your little finger twice. 2 cm, or 20 mm, is approximately 4/5 of one inch.
The width of an index finger depends on the size of the person. For instance, an average size person will have an index finger that is roughly one half inch wide.
4cm
To measure the width of a little finger, you can use a ruler or a caliper for accuracy. Simply place the ruler or caliper perpendicular to the finger at its widest point and take the measurement. Ensure the finger is relaxed and held flat for the most accurate reading. Record the measurement in millimeters or inches as needed.
The width of a teenage finger can vary significantly depending on individual growth and genetics, but generally, it ranges from about 1.5 to 2.5 centimeters (0.6 to 1 inch). Teenage fingers are typically smaller than adult fingers, reflecting their ongoing development. Factors such as age, gender, and overall body size can also influence finger width.
There is no scientific name for the width of the index finger. The name index finger literally means pointing finger.
about the width of your thumb twice If you are an adult, I would estimate more like the width of your little finger twice. 2 cm, or 20 mm, is approximately 4/5 of one inch.
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About the width of a finger.
The width of an index finger depends on the size of the person. For instance, an average size person will have an index finger that is roughly one half inch wide.
The unit of length that most nearly matches the width of your finger is the inch.
3 and a half to 4 cm in width
4cm
Technically its width but if you are talking to someone they should know what you mean by thickness.
For that, use length.