The average cranial capacity of Homo erectus was 900cc. Homo erectus were of three types- Java man (Pithecanthropus erectus or Homo erectus erectus)-Cranial capacity was 940cc, which is intermediate between Australopithecus (600−700cc) and modem man (1400−1600cc). Peking man (Homo erectus pekinensis or Pithecanthropus pekinensis or Sinanthropus pekinensis) - Cranial capacity was 850−1200cc. Heidelberg man (Homo erectus heidelbergensis). Cranial capacity was probably about 1300cc.