Millimetres.
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.
The metric unit used for measuring the width of a fingernail is usually millimeters (mm).
To measure the width of bed, the unit meter can be used. It can also be measured in feet and inches.
Because of the dimensions involved, that would be measured in km. (kilometers).
Centimeter
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.
ruler
A centimeter is about the width of a fingernail
The metric unit used for measuring the width of a fingernail is usually millimeters (mm).
Answer: meters
liters
the metric system
Millimeters
centimeters
appropriate unit to measure the width of a textbook = ce ntimeters
Mm
Meters or feet would be best, depending on where you live.