People do a lot of activities every day. But they don’t realize that the activities can give bad impacts to the environment. Various activities that we do every day will accumulate and will cause Carbon foot print. Carbon foot print is the amount of greenhouse gas that is produced through the various activities undertaken by individuals, organizations, corporations, derived from daily activities, such as the use of motor vehicles, air-conditioning, the lighting and electrical equipment, the use of paper, and others. These greenhouse gases will give effect to temperature of the earth. The gas will withstand sunlight in the atmosphere so that the temperature of the earth will increase. Carbon foot print can be calculated using the carbon calculator. Carbon calculator serves to measure the amount of carbon that is produced every day, so it will be able to help individuals, organizations, or companies to control the amount of carbon that they produce.Knowing the approximate amount of carbon produced each day, will help individuals, companies, or organizations to control the amount of carbon in the air.Carbon calculator will calculate the amount of carbon released then advise how emissions can be reduced or how many trees planted that are equivalent to the emissions released. We can do a lot of thing to reduce carbon emissions, among others are : • Reducing the use of motor vehicles. • Reduce the excessive use of electricity. • Reducing the use of electronic objects. • Conduct waste recycling