15k is 15,000 yuan, which means that there is 15,000 yuan in the credit card that can be used as an overdraft for consumption.

Where K is the abbreviation of Kilo, K represents the Chinese character "千", and kilo- means "千".

As a currency denomination, K stands for thousand, which is often used when RMB is used for salary. For example, 1K is 1,000 RMB, 2K is 2,000 RMB, and 20K is 20,000 RMB.

Extended information

The commonly used units of RMB are yuan, jiao, and cents; in the calculation process of production and daily life, the units of measurement of RMB also use units such as centimeters and millimeters (common Calculation of interest at the bank and factory piece rate).

The denominations of RMB circulating in the market include one jiao, five jiao, one yuan, five yuan, ten yuan, twenty yuan, five ten yuan and one hundred yuan. Renminbi (abbreviation: RMB; currency code: CNY; currency symbol: ?) is my country's legal currency.

Baidu Encyclopedia-RMB