Unit Definition (pud, pood [Russia]) The pud or pood is a traditional unit of weight in Russia. The pud equals 40 funte or 1/30 packen; this is about 16.381 kilograms or 36.11 pounds. The plural is pudi.
Unit Definition (nanogram) The nanogram is a metric unit of mass equal to 10E-9 gram, or one millionth of a milligram.
Weight/Mass 
