Thats just one of those unanswerable questions because some rulers are thick and others are thin, and some are wooden and others are plastic so they would have different densities giving them different whieghts. To find the answer to this question you would have to find the different whieghts of different rulers (in grams) and then find the average.
30 centimeters
It is centimeters and inches.
To show 0.13 meters on a centimeter ruler, you would convert meters to centimeters, as there are 100 centimeters in a meter. 0.13 meters = 13 centimeters. Locate the 13 cm mark on the ruler to represent 0.13 meters.
A metric ruler typically represents centimeters through a scale of 0 to 30 centimeters. Each centimeter is subdivided into smaller units (usually millimeters) for more precise measurements.
The unit of measure of a ruler is typically in inches or centimeters.
30 centimeters
Usually 30.
For a small ruler . There are 15 cm in 1 ruler. wheras a big ruler has 30 cm in a ruler.
30.48 cm
100 centimeters.
A ruler is usually divided by: inches, centimeters, and millimeters.
An inch is bigger than a centimeter. The size of the rule depends on how many inches or centimeters you want it to be. One inch is equal to 2.54 centimeters. To convert inches into centimeters, divide the inches by 2.54.
The customary ruler uses both inches and centimeters.
a 30cm ruler
You use a ruler or similar object that is marked with centimeters. If your ruler only has inches, measure the inches, then multiply with 2.54 to get centimeters.
4 inches are 10.16 centimeters.
3 inches if on the inches side, 3 centimeters if on the centimeters side.