Firewood measures are terms used to describe the amount of firewood that is needed for a particular purpose. The two most common firewood measures are 'steres' and 'CORDS'. A steres is a unit of measurement equal to one cubic meter, while a cord is a unit of measurement equal to 128 cubic feet. Firewood is typically measured in CORDS or steres depending on the region and the type of wood being used. Firewood measures are important for determining the amount of wood needed for a particular purpose, such as heating a home or cooking food.