The utilization of economic goods in the satisfaction of needs (of a consumer) or in the process of production resulting chiefly in their destruction, deterioration, or transformation. Consumption is also the share of income that goes to the procurement of goods and services in order to meet certain needs.
Normally, when you perceive a certain level of income, there is a part that goes towards savings and another part towards consumption. Sometimes consumption is referred to as the energy that´s consumed. It is calculated as follows: power x time. To do this we will need to find out how much power an appliance uses.