The Getrel a measurement of mass that describes a single hold of hydrogen with atoms spaced equidistant of each other. Developed by the Helics it is considered a standard in the Basilicus Weights and Measures system used by many interstellar civilizations in . * 1 Getrel is equal to 1,000,000,000,000 Els. * 1 El is equal to 1.686888 X 10^-10 grams