There are many instruments: a ruler, a tape measure, a range finder.
Chat with our AI personalities
there are many instruments used to measure length . measuring tape is used to measure the length of room.
Ruler, Yard Stick, Tape measure, Calipers.
By using measuring instruments.
It depends on what is being measured. The instruments and units used for measuring the length, width and height of a building would be different to those used for a matchbox!
the unit of length used in measuring long objects are yards and feet and inches.