Which is higher K or M?
Photo Credit: Courtesy of 3DStockPhoto (K image)
M is the Roman numeral for 1,000 but in the metric system M designates the prefix mega- which is a million. ... In the metric system lower case k designates kilo as in kg for kilogram, a thousand grams. Even here there is some ambiguity. In the language of computer science K is 210 = 1024.