U-M Planet Blue
Sustainable Computing

Environmental Calculators

Calculate the Benefits

Take steps to find out how much energy you use and how much money you save from using the best practices. Sharing this information is a great way to get buy-in from others in your area. Use these tools to get started.

For Your Desktop Environment

Calculate Greenhouse Gas Equivalencies

The Greenhouse Gas Equivalencies Calculator (Provided by the Environmental Protection Agency.) is a handy online tool that allows you to determine the environmental impact of your energy use.

Kill A Watt®

Using the measurements taken with a Kill A Watt®, you can input the kilowatt hours of electricity used by your devices. The calculator then converts your usage into environmental impact in different ways—from trees to barbeques and from cars to homes.