Average weight of granite is 2,65-2,75 p/cm3 so using 2,70 it's 250x30x30x2,7 = 607500g = 607,5kg
165ponds
27.5-30cm
250cm - 1.5cm = 248.5
250cm add 2.8cm = 252.8
3m is bigger than 250cm. Why because 1000cm =1m That means 3m=3000cm So, 3m(3000cm)>250cm
20g
2.5m
A typical 30cm plastic ruler weighs around 30-40 grams, while a wooden ruler of the same size may weigh slightly more.
The range of granite density is from 144 to 170 pounds per cubic foot (lbs./ft^3). In order to know the weight of your granite its exact density and volume must be determined. Dividing the known density by volume will tell you its weight.
about 30cm about 30cm
4
about 98.4251968