The Crematorium II building, which contained a gas chamber and furnaces for burning corpses. Several hundred thousand Jewish men, women and children were murdered here with poison gas, and their bodies burned. The bodies of Jewish and non-Jewish prisoners who died in the concentration camp were also burned here. According to calculations by the German authorities, 1,440 corpses could be burned in this crematorium every 24 hours. According to the testimony of former prisoners, the figure was higher.
The gas chamber and Crematorium II functioned from March 1943 through November 1944. Crematoria & Gas Chambers at Auschwitz-Birkenau
Crematorium III was equally efficient.
Crematorium IV and V could each handle 768 bodies a day.
This means more than 130,000 cremations a month could happen at peak efficiency.
