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.
Read how much on the ruler |
![]() 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.