K stands for thousands. Thousand network definition: thousands
Order of magnitude _ Baidu Encyclopedia ... million kilograms.
So, 15k is 15000.
25k means 25,000.
15k-25k means 15000-25000.
Extended data
K is a common unit, the first English letter of kilo, and K stands for one thousand.
On the internet, monthly salary is generally expressed in this way, but some people don't use K to express it, but use a more direct W.
W means tens of thousands, which means something in Chinese Pinyin, the W of ten thousand.
This is a common unit in finance, just like a bank deposit. The amount shown on it is a string of four digits, but we don't think it was called this at that time.