Use these cost and benefit calculators to quantify the results of responsible purchasing.
This Bottled Water Calculator, developed by RPN, compares the cost and environmental impacts of 16.9 oz. bottles of water with tap water.
The Carbon Offsets Calculators can be used to measure GHG emissions associated with various business practices.
Quantify the environmental benefits of purchasing and using "green" janitorial services and products.
Use these calculators to estimate Greenhouse Gas (GHG) and other climate protection related emissions from various product categories.
Use calculators from EPEAT and Energy Star to measure the impact of computers.
Use these calculators to estimate costs and benefits related to energy, water, serviceware, and composting.
Use the Hybrid Calculator to compare hybrid electric (HEV) and conventional vehicles.
These calculators can be used to estimate the savings obtained by using LEDs in traffic signals, street lighting and exit signs.
Office Electronics Calculators
Use calculators from ENERGY STAR and to measure the impact of your imaging equipment in terms of cost savings and energy use.
Measure the environmental benefits of switching to recycled content copy papers.
Use these tools to compile data on environmental impacts of electricity consumption.
Use calculators from ENERGY STAR and two CFL manufacturers to measure the impact of your institution’s lighting in terms of cost savings and mercury content.