Weight for elephants could be measured in tons or pounds. For metric, weight is measured in newtons. For mass, you can use kilograms or tonnes (metric ton equal to 1000 kg). Pounds mass is possible, too.
You can check the Wikipedia article on "SI units".
Miligram
Cups
Webster's New Collegiate Dictionary contains a table of Weights and Measures on the same page it defines weight; in my copy page 1319
Milligrams, usually.
your-mum-tonnnes
While a pound is a measurement of weight, a quart is a measurement of volume. The density and size of an item would be needed to find the weight of a specific volume.
Units of weight or mass for a book would be in pounds and ounces or grams and kilograms.
Trunk Size Tusks
Africa
First you fill tub with water all the way, Put him in , walk him out, take the Volume of the water now missing, then stand him on 4 scales ( 1 for each foot ) The total density = mass divided by volume . (mass is the weight) Hope i helped!
Ano Nuevo state reserve
Africa!! or perhaps a zoo.
They are 9-12 inches but i will search aroun the net and find weight be back soon
elephant butte dam
Ideally kilograms or tons.
You can check the Wikipedia article on "SI units".