depends on what item you are measuring
miles or kilomiters
feet
miles
A metres, for an approximate measure, a centimetre for a more accurate measure.
yards
kilometer/ odometer
SI UNIT Usually, at a normal classroom size, the tool to use would probably be to measure it in either yards or meters. TOOL A yard stick
By unit of length and distance and conversion ,we can say that the most appropriate unit to measure the length of a finger is cm.
The best tool to measure a lunch box would be a tape measure or a ruler, as they can provide accurate measurements of its length, width, and height. The most suitable unit of measure would be inches or centimeters, depending on your preference or regional standards. These measurements will help determine the lunch box's dimensions for storage or fitting into a backpack.
Inches
cm
I would use feet
You would use meters.
yards
centimeter
You would use the SI unit meter (m) to measure the length of a DVD case.
a tape measure of at least 25 feet or more