21 t is how many mg?
Answer: 21000000000 mg
1 t is equal to 1000000000 mg: 1 t = 1000000000 mg
How to convert 21 t to mg?
We have: 1 t = 1000000000 mg
21 t = ? mg
= 21 * 1000000000
= 21000000000 mg
Thus, to solve the problem we multiply 21 t by 1000000000 mg: 21 x 1000000000 = 21000000000 mg
The answer is 21000000000 mg
The adding informations:
The Metric tons is the unit of mass in the International System of Units (SI). The symbol of Metric tons is t.
A brief history of metric system:
The world's oldest standardized systems of weights and measures appear to have been developed between the 4th and 3rd millennia BC among the ancient peoples of Egypt, Mesopotamia, the Indus Valley, and maybe Elam (in Iran) as well.
The mass mesurement system was invented during the Frecnh Revolution. For many years, European scientists debated the need for a new, rational, and universal system to replace the national and regional differences that impeded scientific and commercial communication. Therefore, the metric system was born.
Then, they invented grain and it was the first mass unit. Units of mass based on grain or water volume were used, when the weighing of goods began.