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Carbon, water, and energy footprints. Estimate your impact and the cost of reducing it.
Tap any card to open its calculator page.
Estimate your annual CO₂ emissions from electricity, driving, flights, and diet
Calculate how much CO₂ a number of trees absorb over a given period
Estimate your daily and annual household water consumption
Estimate your total ecological footprint in global hectares across key lifestyle categories
Estimate annual solar panel energy output and potential savings
Estimate CO₂ savings from reducing your household waste
Calculate AQI from pollutant concentrations using EPA breakpoints
Estimate greenhouse gas emissions from common energy and fuel sources
Estimate the carbon impact of land use changes such as deforestation or reforestation
Estimate the cost of climate inaction based on carbon price and emissions
Calculate monthly and annual savings from a rooftop solar installation
Estimate energy output and cost savings from a wind turbine installation
Compare annual fuel costs of an EV vs a petrol car and estimate CO₂ savings
Calculate fuel consumption in L/100km, MPG, and associated CO₂ emissions
Calculate miles per gallon, fuel cost per mile, and equivalent L/100km
Calculate the cost to offset your carbon footprint and the equivalent number of trees
Estimate the CO₂ released and biodiversity impact of clearing forested land
Estimate change in ocean pH from absorbed CO₂ and its impact on marine life
Calculate the Shannon–Wiener biodiversity index for a habitat sample
Estimate carbon stored in soil based on organic matter content and area
Calculate greenhouse gas emissions avoided by composting food waste
Estimate monthly and annual CO₂ saved by recycling paper, plastic, glass, and metal
Calculate your annual energy use and resulting CO₂ emissions from monthly kWh
Calculate annual energy and cost savings from switching to LED bulbs
Calculate daily, annual kWh usage and running cost for any household appliance
Estimate annual heating and cooling energy costs for your home
Estimate annual energy savings and payback period from adding home insulation
Estimate annual rainwater collection volume and potential water bill savings
Estimate water and cost savings from recycling greywater for irrigation
Calculate CO₂ emissions from transporting food by air, ship, truck, or rail
Compare the CO₂ footprint of meat consumption vs a plant-based diet
Estimate your annual plastic waste and its equivalent CO₂ footprint
Estimate your reactive nitrogen footprint from food and energy use
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