mm(small desks),cm(student desks),dm(student/large),m(large),km(if a desk streches a few kilometers).
Inches
You would use CM or INCHES to measure a knife
I would use my legs, not a measurement! To measure the distance, I would use metres.
You would likely use a ruler or a measuring tape.
You would use the measurement of "miles".
Kilometers
Inches or centimeters, depending on where you live.
I would use a ruler or a tape measure. After I was done, I would express the measurement in centimeters or inches.
In SI units, use centimeters or meters. In non-SI units, use inches or feet.
I would use a tape measure.
feet
you would use a kilogram
You would use CM or INCHES to measure a knife
I would use my legs, not a measurement! To measure the distance, I would use metres.
I prefer to use millimetres or if the measurement is over 1 metre I would say 1.25 or 12 hundred and 50. So a desk might be 900x500 x750 high
you would use grams
cm
You would likely use a ruler or a measuring tape.