5 - Measuring with caliper

You can use a ruler to measure sizes.
You can measure much more accurately with a: caliper gauge.

                       

If you measure with a caliper you can measure with more numbers behind the comma.
For measuring, you mainly use the measuring jaws, the ruler and the vernier.

Measure to 1 decimal

 

Read how much on the ruler
whole millimeters
the 0 of the vernier is.
In this example: 24 mm.


Kijk nu welke streepje van de nonius
precies recht tegenover
een steepje op de liniaal staat.
In dit voorbeeld is dat
bij het getal 7 op de nonius.
De totale maat is dus: 24,7 mm

Click here to see the entire animation.

Watch the video explaining the caliper reading.

Answer the questions below.

Measure to 2 decimals


If the line between 2 nonius numbers is exactly opposite a line on the ruler, read the measure to two decimal places.
In this example: 20 mm + 0.35 mm = 20.35 mm

Answer the following questions. Read the numbers to 2 decimal places.

If you want to practice extra, you can do that by clicking here.

With a caliper you can measure in different ways.
Below you can see some examples.