Yoctogram

Yoctogram is a unit of mass in the International System of Units. It is the smallest unit of mass in the system, equivalent to 1 x 10^-24 grams. The prefix "yocto" is derived from the Greek word "οκτώ", meaning eight, because it is equal to 1/1000^8.

Definition

The yoctogram (symbol: yg) is a unit of mass in the International System of Units, also known as the metric system. It is defined as one septillionth (1 x 10^-24) of a gram. This makes it the smallest unit of mass in the metric system.

Usage

The yoctogram is rarely used in practical measurements, due to its extremely small size. It is primarily used in scientific calculations and theoretical discussions. For example, it is used in the field of nanotechnology to measure the mass of atoms and molecules.

Relation to other units

The yoctogram is part of the metric system, which is based on powers of ten. Each unit in the system is 1000 times larger or smaller than the next, making conversions between units straightforward. For example, one yoctogram is 1 x 10^-24 grams, 1 x 10^-21 milligrams, 1 x 10^-18 micrograms, and so on.

See also

• Yocto-
• International System of Units
• Gram
• Metric system

References

• Bureau International des Poids et Mesures. (2006). The International System of Units (SI). 8th edition. 92-822-2213-6.