🌱 Ecology
Carbon footprint, recycling and sustainability calculators. · 5 calculators
Carbon Footprint Calculator
Estimate your monthly and annual carbon footprint from electricity, driving and gas use, free online.
Solar Panel Payback Calculator
Calculate how many years it takes for solar panels to pay for themselves, free online.
Recycling Savings Calculator
Calculate CO2 emissions saved by recycling paper, plastic, glass and aluminum, free online.
Tree Carbon Offset Calculator
Calculate how many trees are needed to offset a given amount of CO2 emissions, free online.
Water Usage Calculator
Estimate your weekly and annual household water usage from showers, laundry and dishwashing, free online.