A centimeter is about the width of a fingernail
The estimating unit of measure for the width of a fingernail is typically in millimeters (mm) or centimeters (cm). Some may also use inches (in) as a measurement unit, but millimeters are the most commonly used unit for the width of a fingernail.
Millimetres.
The metric unit used for measuring the width of a fingernail is usually millimeters (mm).
ruler
The width of a fingernail is typically around 1 to 2 millimeters.
about 1 centimeter
about the width of the tip of your fore finger, depending on how wide your fingers are.
Millimeters
centimeters
A centimeter (cm) is a metric unit of length equal to one one-hundredth of a meter. This means that there are 100 centimeters in a meter. To provide perspective, a centimeter is approximately the width of a large paperclip or about the length of a fingernail.
Mm
The width of a little fingernail typically ranges from about 1.5 to 2.5 centimeters (0.6 to 1 inch), depending on the individual. Factors such as genetics, age, and overall hand size can influence the exact measurement. Generally, little fingernails are narrower compared to other fingers' nails.