Determine your impact
Calculate the impact of your purchases through these calculators.
Paper Calculator (Environmental Paper Network)
The premier tool for measuring the environmental impacts of paper and discovering the best paper choices. Use it to quantify the impacts of your paper usage, and to compare different grades and types of paper with varying amounts of recycled content.
Electronics Environmental Benefits Calculators (U.S. EPA)
These calculators can help you estimate the environmental and economic benefits of greening your purchase, use, and disposal of electronics.
Energy Star Savings Calculators
Use these Excel-based calculators to estimate how much money and energy you can save purchasing ENERGY STAR certified products.