There are 48 dishes ranked on this page. The lightest is Miso Soup at 40 kcal per 1 bowl (tofu and wakame), the heaviest is Samgyetang at 918 kcal per 1 pot (whole young chicken), and the average lands around 359 calories a serving. 17 of them come in under 300 calories, and 4 are 600 or more.
That spread is the whole point. Two dishes off the same menu can be 878 calories apart, which is more than most people's entire daily deficit. Knowing which is which costs you nothing and changes the outcome.