'K' stands for Kilo--but not in terms of the weight measure we-in India-are used to. Kilo also means 1,000 numerically.
So 12K means 12,000 [Rs or $ or whatever the currency is].
Basically it's an American term to denote salaries, since their counting is always in thousands--like 1,000, 10,000, 100,000 [we term this as 1 Lakh], 1,000,000-meaning 1 million [our term for this is 10 lakhs]....& so on.
Now this has become the global standard of terming salaries--thanks to the IT boom :-)
1kilo meter= 1000 meters
1kilo gram= 1000 grams
1kilo liter= 1000 mili liters
1k rupee= 1000 rupees
The kilo prefix is derived from the Greek word χίλιοι ("chilioi"), meaning thousand. It was originally adopted by Antoine Lavoisier and his group in 1795, and introduced into the metric system in France with its establishment in 1799.
K is the short form for Kilo, means thousand. So 1 K = 1000. Didn't you hear about Y2K problem? It was year 2000. And the computer operators all over the world feared that all computers will crash or go wayward due to two digit years they have been programmed and year 2000 has two zeros as last two digits.
It is from a measuring system. Instead of writing 1000 we can write 103 or as ‘k’ (kilo). Before the computer term byte occupies the dictionary our peoples used both ‘K’ and ‘k’. In computer terms 1024 byte = 1 kilo byte. Hence these people used ‘K’. So for representing 10000 it must be 10 k and not 10 K.
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