how many chinese characters do i know

To find out how many Chinese characters you know, you can take specially designed tests that adapt to your level, or use tools that estimate your character knowledge based on your responses to character recognition questions. There are online Chinese character tests available for this purpose. For context, the total number of unique Chinese characters in history exceeds 100,000, but only about 3,500 are considered essential for modern literacy. Most Chinese schoolchildren learn at least 3,500 characters, and educated adults know between 8,000 and 10,000. Knowing around 2,500 to 3,000 characters usually allows reading most newspapers and understanding most modern texts. If you'd like, I can recommend an online test to estimate how many you know based on your character recognition.