Rucksack Factor

The quantity of resource material needed to produce 1kg of an end product. It can be expressed as a ratio of such as 50:1, meaning that 50kg of resource materials is required to create 1kg of a manufactured end product, meaning that 49kg is classed as waste material. This can help raise awareness of the impact products and their use can have on the environment and also act as a catalyst for reducing material inputs to improve efficiency of resource consumption and also the cost of production.