exagram/second [Eg/s] Unit Converter

Definition of exagram/second [Eg/s] unit

Exagram per second (Eg/s) is a unit of mass flow rate representing the transfer of one exagram of matter—10^18 grams, or 10^15 kilograms—during one second. It quantifies extremely large mass movements, mainly in theoretical, planetary, or astrophysical contexts.

History of exagram/second [Eg/s] unit

The exagram per second derives from the gram and SI prefix exa-, standardized to denote 10^18. The gram evolved from metric measurement systems developed in France during the late eighteenth century, while exa- entered the International System of Units in 1975 as part of coordinated decimal prefixes. Eg/s is therefore a modern derived SI expression for mass transfer per time. It rarely appears in historical records because flows of this magnitude are uncommon outside cosmology, planetary science, and large-scale theoretical modeling.

Applications of exagram/second [Eg/s] unit

Because an exagram is extraordinarily large, Eg/s is not a routine industrial or laboratory unit. It may describe hypothetical or modeled mass fluxes in stellar events, galaxy formation, planetary accretion, or extreme astrophysical outflows. For practical engineering, smaller units such as kilograms per second or tonnes per hour are preferred, while Eg/s can provide scale comparisons.

Complete list of exagram/second [Eg/s] unit conversion