That will depend on the size of the ruler and what it is made out of. A plastic or wooden ruler will be very light, maybe an ounce. A steel ruler will weigh much more.
It depends on what the ruler's made out of. A plastic ruler would inevitably weigh less than a steel ruler.
a ruler weighs 19 grams
1.95g
barley in cubic meter
How much does 1 cubic meter of fuel oil weigh
Like an ounce
20g
You cannot weigh an area. Just as you cannot weigh a distance. (How much does one centimeter weigh?)
yes a metric ruler and a meter ruler is the same
1 cubic meter asphalt=how much wieght
a meter ruler