A ruler would do the trick.
A ruler or tape measure.
.190metres
You would measure it in centimeters.
Depending on the size of it id say either a 15cm ruler or a 30cm ruler.
A ruler or measuring tape is typically used to measure a pencil. These tools provide accurate measurements in inches or centimeters, allowing you to determine the length of the pencil. For more precise measurements, a caliper can also be used to measure the diameter of the pencil.
centimeter
Centimeters
Centimeters
Centimeters
A ruler or tape measure.
you measure the length of AA pencil or a pen in cm
If you have to measure the pencil to a couple decimal places i would suggest a micrometer and a dial caliper.
The easy way to find the length of a pencil is to use a ruler to measure it. A "small" ruler might not make it, but a "regular" one foot ruler will do the job nicely.
.190metres
grams (for their mass), centimetres (for length), millimetres (for thickness/height), possibly Mohs scale for hardness.
a ruler!
millimetres