Tonne: The tonne, also known as the metric ton, is a unit of mass in the metric system. It is equal to 1,000 kilograms or 1,000,000 grams. It is widely used internationally for measuring larger quantities of mass and is equivalent to approximately 2,204.62 pounds.
A nanogram (ng) is a metric unit of mass in the International System of Units (SI). It represents one billionth of a gram or 10^-9 grams. The metric system is a decimal-based system of measurement used worldwide, and it provides a convenient way to express very small quantities of mass.
To put the size of a nanogram into perspective:
Nanograms are commonly used in various scientific and analytical fields where precise measurements of tiny quantities of substances or particles are necessary. Some examples of their usage include: