All ramen are different, may it be the noodles, the toppings, the serving size and of course the calories. We compared the calories of the top 6 Ramen chains here in Japan and compiled the results into one infographic. Check it out! The results were: Jiro 1600kcal Hidakaya 991kcal Santoka 879kcal Tenkaippin 799kcal Ringer Hut 632kcal Kamukura 550kcal