How To Read A Ruler In Cm And Mm

Reading a metric ruler.

How to read a ruler in cm and mm. The largest mark centimeters or cm. To read a metric ruler to measure centimeters look at the long lines on the ruler that are numbered 1 30 which are the centimeter marks. How to read ruler in cm centimeter firstly always read ruler from left to right. The smallest lines mark millimeters or mm.

To convert millimeters to centimeters move the decimal point one place to the left. The distance between them is equal to 1 centimeter. Millimeters abbreviated as mm there are 100 cm in a m and 10 mm in a cm thus there are also 1000mm in 1 m. The other side of the ruler will have markings for cm and mm measurement.

There are smaller lines between the larger centimeter lines which represent millimeters. On a metric ruler the numbers represent centimeters. The distance between numbered marks on that side will be shorter than on the inches side and the numbered marks will go as high as 30 because there are approximately 30 centimeters in 12 inches the length of the standard ruler. In the drawing below we show various options for cm and mm and how to correctly read the ruler.

Each millimeter is one tenth of a centimeter so ten. Remember 10mm 1cm and 100cm 1m. Get out your metric ruler and take a look at the lines. The measurements are decimalized and there are no fractions.

In between cm mark there are 10 smaller marks which are millimeters mm 1 cm equal to 10 mm. A metric ruler features two types of lines. Alternatively to read an english ruler start by looking for the. The smallest unit a metric ruler can measure is 1 mm or 0 1 cm.

To read a metric ruler each individual line represents 10 1 10 of a centimeter or 1 millimeter notice when converting from centimeters to millimeters the decimal point is moved one place to the right. These are the smallest lines on the ruler that is the ones that come between the whole centimeter and 1 2 centimeters. Within the first centimeter alone every line from 0 would equal the following.